Home / 11,550.72-15,940-6,245.58

Finding the Fourth Proportional to 11,550.72, 15,940 and 6,245.58

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Solution

The fourth proportional to 11,550.72, 15,940 and 6,245.58 is: 8,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.72 : 15,940 = 6,245.58 : x
  2. Step 2: Convert to fraction form
    11,550.72/15,940 = 6,245.58/x
  3. Step 3: Cross multiply
    11,550.72x = 15,940 × 6,245.58
  4. Step 4: Simplify right side
    11,550.72x = 99,554,545.20
  5. Step 5: Solve for x
    x = 99,554,545.20/11,550.72
  6. Step 6: Final answer
    x = 8,618.90

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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.