Home / 11,331.80-16,993.36-3,432.68

Finding the Fourth Proportional to 11,331.80, 16,993.36 and 3,432.68

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Solution

The fourth proportional to 11,331.80, 16,993.36 and 3,432.68 is: 5,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.80 : 16,993.36 = 3,432.68 : x
  2. Step 2: Convert to fraction form
    11,331.80/16,993.36 = 3,432.68/x
  3. Step 3: Cross multiply
    11,331.80x = 16,993.36 × 3,432.68
  4. Step 4: Simplify right side
    11,331.80x = 58,332,767.00
  5. Step 5: Solve for x
    x = 58,332,767.00/11,331.80
  6. Step 6: Final answer
    x = 5,147.71

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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.