Home / 19,414.41-29,115.45-8,318.13

Finding the Fourth Proportional to 19,414.41, 29,115.45 and 8,318.13

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Solution

The fourth proportional to 19,414.41, 29,115.45 and 8,318.13 is: 12,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.41 : 29,115.45 = 8,318.13 : x
  2. Step 2: Convert to fraction form
    19,414.41/29,115.45 = 8,318.13/x
  3. Step 3: Cross multiply
    19,414.41x = 29,115.45 × 8,318.13
  4. Step 4: Simplify right side
    19,414.41x = 242,186,098.11
  5. Step 5: Solve for x
    x = 242,186,098.11/19,414.41
  6. Step 6: Final answer
    x = 12,474.55

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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.