Home / 11,336.29-16,987.11-7,624.78

Finding the Fourth Proportional to 11,336.29, 16,987.11 and 7,624.78

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Solution

The fourth proportional to 11,336.29, 16,987.11 and 7,624.78 is: 11,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.29 : 16,987.11 = 7,624.78 : x
  2. Step 2: Convert to fraction form
    11,336.29/16,987.11 = 7,624.78/x
  3. Step 3: Cross multiply
    11,336.29x = 16,987.11 × 7,624.78
  4. Step 4: Simplify right side
    11,336.29x = 129,522,905.53
  5. Step 5: Solve for x
    x = 129,522,905.53/11,336.29
  6. Step 6: Final answer
    x = 11,425.51

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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.