Home / 21,520.74-32,287.39-9,034.19

Finding the Fourth Proportional to 21,520.74, 32,287.39 and 9,034.19

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Solution

The fourth proportional to 21,520.74, 32,287.39 and 9,034.19 is: 13,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.74 : 32,287.39 = 9,034.19 : x
  2. Step 2: Convert to fraction form
    21,520.74/32,287.39 = 9,034.19/x
  3. Step 3: Cross multiply
    21,520.74x = 32,287.39 × 9,034.19
  4. Step 4: Simplify right side
    21,520.74x = 291,690,415.86
  5. Step 5: Solve for x
    x = 291,690,415.86/21,520.74
  6. Step 6: Final answer
    x = 13,553.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.