Home / 11,129.86-16,694.96-3,633.38

Finding the Fourth Proportional to 11,129.86, 16,694.96 and 3,633.38

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Solution

The fourth proportional to 11,129.86, 16,694.96 and 3,633.38 is: 5,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.86 : 16,694.96 = 3,633.38 : x
  2. Step 2: Convert to fraction form
    11,129.86/16,694.96 = 3,633.38/x
  3. Step 3: Cross multiply
    11,129.86x = 16,694.96 × 3,633.38
  4. Step 4: Simplify right side
    11,129.86x = 60,659,115.60
  5. Step 5: Solve for x
    x = 60,659,115.60/11,129.86
  6. Step 6: Final answer
    x = 5,450.13

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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.