Home / 11,267.91-15,553.82-6,791.85

Finding the Fourth Proportional to 11,267.91, 15,553.82 and 6,791.85

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Solution

The fourth proportional to 11,267.91, 15,553.82 and 6,791.85 is: 9,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.91 : 15,553.82 = 6,791.85 : x
  2. Step 2: Convert to fraction form
    11,267.91/15,553.82 = 6,791.85/x
  3. Step 3: Cross multiply
    11,267.91x = 15,553.82 × 6,791.85
  4. Step 4: Simplify right side
    11,267.91x = 105,639,229.35
  5. Step 5: Solve for x
    x = 105,639,229.35/11,267.91
  6. Step 6: Final answer
    x = 9,375.23

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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.