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Finding the Fourth Proportional to 10,791.95, 16,189.40 and 5,244.56

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Solution

The fourth proportional to 10,791.95, 16,189.40 and 5,244.56 is: 7,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.95 : 16,189.40 = 5,244.56 : x
  2. Step 2: Convert to fraction form
    10,791.95/16,189.40 = 5,244.56/x
  3. Step 3: Cross multiply
    10,791.95x = 16,189.40 × 5,244.56
  4. Step 4: Simplify right side
    10,791.95x = 84,906,279.66
  5. Step 5: Solve for x
    x = 84,906,279.66/10,791.95
  6. Step 6: Final answer
    x = 7,867.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.