Home / 11,187.53-16,781.19-2,867.48

Finding the Fourth Proportional to 11,187.53, 16,781.19 and 2,867.48

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Solution

The fourth proportional to 11,187.53, 16,781.19 and 2,867.48 is: 4,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.53 : 16,781.19 = 2,867.48 : x
  2. Step 2: Convert to fraction form
    11,187.53/16,781.19 = 2,867.48/x
  3. Step 3: Cross multiply
    11,187.53x = 16,781.19 × 2,867.48
  4. Step 4: Simplify right side
    11,187.53x = 48,119,726.70
  5. Step 5: Solve for x
    x = 48,119,726.70/11,187.53
  6. Step 6: Final answer
    x = 4,301.19

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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.