direct proportion calculator

Step by step worksheet, direct proportion

Solves problem in this form \[\frac{x_1}{y_1}=\frac{x_2}{k}\]

Direct proportion calculator tells you how many grams of a mixture to use when you need to make a direct or indirect proportion. It expresses the relationship between two quantities, when they increase or decrease in the same ratio

Solves **direct proportion ** in this form

Examples, If 25 litres of petrol costs $58, calculate the cost of 30 litres. This calculator can resolve this type of simple problem between the cost and price of gas.

**Direct proportion** refers to a situation in which two values increase or decrease together in the same way. If one value increases by a certain amount, the other value also increases by the same amount. If one decreases, then the other also decreases. In a direct proportion, the ratio of two values is always the same. The direct proportion calculator even makes it easier than ever to compute for the unknown in a record time.

1. Identify the two variables involved in the proportion. These will be referred to as x and y.

2. Write down the proportion. The written proportion should be in the form “x is directly proportional to y”.

3. Find a pair of values that illustrates the proportion. For example, if

**x = 2**and**y = 4**, this is an example of a direct proportion since x is directly proportional to y.4. Use the given pair of values to calculate the ratio. In the example, the ratio is

**2:4**, which can also be written as 1:2.5. Use the ratio to calculate the value of the unknown variable. For example, if x = 6, then you can use the ratio to calculate that y = 12 (since 6 is twice as much as 3 and 12 is twice as much as 6).

6. Use the direct proportion calculator to check your answer. In the example, if x = 6 and y = 12, then 6 is double 3 and 12 is double 6, which satisfies the condition that x is directly proportional to y.ratios and proportions. It can also help us understand how changes in one variable can affect another variable and vice versa.

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