Home / 11,115.42-16,664.41-5,565.97

Finding the Fourth Proportional to 11,115.42, 16,664.41 and 5,565.97

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Solution

The fourth proportional to 11,115.42, 16,664.41 and 5,565.97 is: 8,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.42 : 16,664.41 = 5,565.97 : x
  2. Step 2: Convert to fraction form
    11,115.42/16,664.41 = 5,565.97/x
  3. Step 3: Cross multiply
    11,115.42x = 16,664.41 × 5,565.97
  4. Step 4: Simplify right side
    11,115.42x = 92,753,606.13
  5. Step 5: Solve for x
    x = 92,753,606.13/11,115.42
  6. Step 6: Final answer
    x = 8,344.59

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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.