Home / 11,728.01-16,184.49-6,691.94

Finding the Fourth Proportional to 11,728.01, 16,184.49 and 6,691.94

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Solution

The fourth proportional to 11,728.01, 16,184.49 and 6,691.94 is: 9,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.01 : 16,184.49 = 6,691.94 : x
  2. Step 2: Convert to fraction form
    11,728.01/16,184.49 = 6,691.94/x
  3. Step 3: Cross multiply
    11,728.01x = 16,184.49 × 6,691.94
  4. Step 4: Simplify right side
    11,728.01x = 108,305,555.09
  5. Step 5: Solve for x
    x = 108,305,555.09/11,728.01
  6. Step 6: Final answer
    x = 9,234.78

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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.