Home / 13,876.44-20,788.74-10,791.96

Finding the Fourth Proportional to 13,876.44, 20,788.74 and 10,791.96

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Solution

The fourth proportional to 13,876.44, 20,788.74 and 10,791.96 is: 16,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.44 : 20,788.74 = 10,791.96 : x
  2. Step 2: Convert to fraction form
    13,876.44/20,788.74 = 10,791.96/x
  3. Step 3: Cross multiply
    13,876.44x = 20,788.74 × 10,791.96
  4. Step 4: Simplify right side
    13,876.44x = 224,351,250.53
  5. Step 5: Solve for x
    x = 224,351,250.53/13,876.44
  6. Step 6: Final answer
    x = 16,167.78

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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.