## Elementary Technical Mathematics

Pitch is defined as $\frac{rise}{run}$. Create a proportion using ratios of rise:run. $\frac{1}{3}=\frac{x}{15}$ Set the product of the means equal to the product of the extremes and solve for the variable. $3\times x=1\times 15$ $3x=15$ $3x\div3=15\div3$ $x=5$