Question

how to check a if a proportion is true qs=10,12,15,18

Answer 1

Answer:

10× 18= 180

12×15=180

yes it is proportion

Answer 2

Answer :

10:12:15:18

To check if a proportion is true or not,

We check whether the Product of Extremes = Product of Means or not

In this case, extremes are 10 and 18

and means are 12 and 15

So for checking proportion

Product of Extremes = Product of Means

10 x 18 = 12 x 15

180=180

Here, the product is equal.

So the given proportion is true.