Home / 42,098.92-63,146.96-12,516.90

Finding the Fourth Proportional to 42,098.92, 63,146.96 and 12,516.90

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Solution

The fourth proportional to 42,098.92, 63,146.96 and 12,516.90 is: 18,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098.92 : 63,146.96 = 12,516.90 : x
  2. Step 2: Convert to fraction form
    42,098.92/63,146.96 = 12,516.90/x
  3. Step 3: Cross multiply
    42,098.92x = 63,146.96 × 12,516.90
  4. Step 4: Simplify right side
    42,098.92x = 790,404,183.62
  5. Step 5: Solve for x
    x = 790,404,183.62/42,098.92
  6. Step 6: Final answer
    x = 18,774.93

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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.