Finding the Fourth Proportional to 19,119.33, 26,370.63 and 11,161.08
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Solution
The fourth proportional to 19,119.33, 26,370.63 and 11,161.08 is: 15,394.09
Step by Step Solution
- Step 1: Write the proportion equation
19,119.33 : 26,370.63 = 11,161.08 : x - Step 2: Convert to fraction form
19,119.33/26,370.63 = 11,161.08/x - Step 3: Cross multiply
19,119.33x = 26,370.63 × 11,161.08 - Step 4: Simplify right side
19,119.33x = 294,324,711.08 - Step 5: Solve for x
x = 294,324,711.08/19,119.33 - Step 6: Final answer
x = 15,394.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.