Home / 11,677.92-16,115.25-6,372.73

Finding the Fourth Proportional to 11,677.92, 16,115.25 and 6,372.73

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Solution

The fourth proportional to 11,677.92, 16,115.25 and 6,372.73 is: 8,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.92 : 16,115.25 = 6,372.73 : x
  2. Step 2: Convert to fraction form
    11,677.92/16,115.25 = 6,372.73/x
  3. Step 3: Cross multiply
    11,677.92x = 16,115.25 × 6,372.73
  4. Step 4: Simplify right side
    11,677.92x = 102,698,137.13
  5. Step 5: Solve for x
    x = 102,698,137.13/11,677.92
  6. Step 6: Final answer
    x = 8,794.21

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1.5x scale

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.