Home / 12,092.46-18,138.78-3,327.86

Finding the Fourth Proportional to 12,092.46, 18,138.78 and 3,327.86

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Solution

The fourth proportional to 12,092.46, 18,138.78 and 3,327.86 is: 4,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.46 : 18,138.78 = 3,327.86 : x
  2. Step 2: Convert to fraction form
    12,092.46/18,138.78 = 3,327.86/x
  3. Step 3: Cross multiply
    12,092.46x = 18,138.78 × 3,327.86
  4. Step 4: Simplify right side
    12,092.46x = 60,363,229.72
  5. Step 5: Solve for x
    x = 60,363,229.72/12,092.46
  6. Step 6: Final answer
    x = 4,991.81

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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.