Home / 11,013.98-16,520.96-3,993.81

Finding the Fourth Proportional to 11,013.98, 16,520.96 and 3,993.81

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Solution

The fourth proportional to 11,013.98, 16,520.96 and 3,993.81 is: 5,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.98 : 16,520.96 = 3,993.81 : x
  2. Step 2: Convert to fraction form
    11,013.98/16,520.96 = 3,993.81/x
  3. Step 3: Cross multiply
    11,013.98x = 16,520.96 × 3,993.81
  4. Step 4: Simplify right side
    11,013.98x = 65,981,523.29
  5. Step 5: Solve for x
    x = 65,981,523.29/11,013.98
  6. Step 6: Final answer
    x = 5,990.71

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Similar ratio
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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.