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Finding the Fourth Proportional to 10,136.88, 15,207.12 and 3,566.88

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Solution

The fourth proportional to 10,136.88, 15,207.12 and 3,566.88 is: 5,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.88 : 15,207.12 = 3,566.88 : x
  2. Step 2: Convert to fraction form
    10,136.88/15,207.12 = 3,566.88/x
  3. Step 3: Cross multiply
    10,136.88x = 15,207.12 × 3,566.88
  4. Step 4: Simplify right side
    10,136.88x = 54,241,972.19
  5. Step 5: Solve for x
    x = 54,241,972.19/10,136.88
  6. Step 6: Final answer
    x = 5,350.95

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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.