Home / 22,446.85-30,976.87-12,375.66

Finding the Fourth Proportional to 22,446.85, 30,976.87 and 12,375.66

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Solution

The fourth proportional to 22,446.85, 30,976.87 and 12,375.66 is: 17,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.85 : 30,976.87 = 12,375.66 : x
  2. Step 2: Convert to fraction form
    22,446.85/30,976.87 = 12,375.66/x
  3. Step 3: Cross multiply
    22,446.85x = 30,976.87 × 12,375.66
  4. Step 4: Simplify right side
    22,446.85x = 383,359,149.11
  5. Step 5: Solve for x
    x = 383,359,149.11/22,446.85
  6. Step 6: Final answer
    x = 17,078.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.