Home / 12,562.47-18,841.28-11,937.96

Finding the Fourth Proportional to 12,562.47, 18,841.28 and 11,937.96

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Solution

The fourth proportional to 12,562.47, 18,841.28 and 11,937.96 is: 17,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.47 : 18,841.28 = 11,937.96 : x
  2. Step 2: Convert to fraction form
    12,562.47/18,841.28 = 11,937.96/x
  3. Step 3: Cross multiply
    12,562.47x = 18,841.28 × 11,937.96
  4. Step 4: Simplify right side
    12,562.47x = 224,926,387.30
  5. Step 5: Solve for x
    x = 224,926,387.30/12,562.47
  6. Step 6: Final answer
    x = 17,904.63

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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.