Finding the Fourth Proportional to 13,814.28, 19,058 and 9,624.96
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Solution
The fourth proportional to 13,814.28, 19,058 and 9,624.96 is: 13,278.47
Step by Step Solution
- Step 1: Write the proportion equation
13,814.28 : 19,058 = 9,624.96 : x - Step 2: Convert to fraction form
13,814.28/19,058 = 9,624.96/x - Step 3: Cross multiply
13,814.28x = 19,058 × 9,624.96 - Step 4: Simplify right side
13,814.28x = 183,432,487.68 - Step 5: Solve for x
x = 183,432,487.68/13,814.28 - Step 6: Final answer
x = 13,278.47
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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.