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Finding the Fourth Proportional to 8,747.52, 13,132.80 and 8,023.04

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Solution

The fourth proportional to 8,747.52, 13,132.80 and 8,023.04 is: 12,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.52 : 13,132.80 = 8,023.04 : x
  2. Step 2: Convert to fraction form
    8,747.52/13,132.80 = 8,023.04/x
  3. Step 3: Cross multiply
    8,747.52x = 13,132.80 × 8,023.04
  4. Step 4: Simplify right side
    8,747.52x = 105,364,979.71
  5. Step 5: Solve for x
    x = 105,364,979.71/8,747.52
  6. Step 6: Final answer
    x = 12,045.13

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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.