# How do you solve #10/12=x/18#?

##### 2 Answers

#### Explanation:

You an solve this in two ways: proportionality or just rearranging the equation

**Rearranging the equation**

You can multiply

**Proportionality**

You can work out the proportion between 12 and 18, which will be the same for 10 and

so

Therefore, if we multiply 10 by

#### Explanation:

Using first principles

Multiply both sides by

But

Write as

........................................................................

or if you prefer: