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Finding the Fourth Proportional to 10,060.80, 15,062.40 and 8,908.80

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Solution

The fourth proportional to 10,060.80, 15,062.40 and 8,908.80 is: 13,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.80 : 15,062.40 = 8,908.80 : x
  2. Step 2: Convert to fraction form
    10,060.80/15,062.40 = 8,908.80/x
  3. Step 3: Cross multiply
    10,060.80x = 15,062.40 × 8,908.80
  4. Step 4: Simplify right side
    10,060.80x = 134,187,909.12
  5. Step 5: Solve for x
    x = 134,187,909.12/10,060.80
  6. Step 6: Final answer
    x = 13,337.70

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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.