Home / 12,337.38-18,508.95-6,787.86

Finding the Fourth Proportional to 12,337.38, 18,508.95 and 6,787.86

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Solution

The fourth proportional to 12,337.38, 18,508.95 and 6,787.86 is: 10,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.38 : 18,508.95 = 6,787.86 : x
  2. Step 2: Convert to fraction form
    12,337.38/18,508.95 = 6,787.86/x
  3. Step 3: Cross multiply
    12,337.38x = 18,508.95 × 6,787.86
  4. Step 4: Simplify right side
    12,337.38x = 125,636,161.35
  5. Step 5: Solve for x
    x = 125,636,161.35/12,337.38
  6. Step 6: Final answer
    x = 10,183.37

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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.