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Finding the Fourth Proportional to 13,081.99, 18,034.08 and 9,932.71

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Solution

The fourth proportional to 13,081.99, 18,034.08 and 9,932.71 is: 13,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.99 : 18,034.08 = 9,932.71 : x
  2. Step 2: Convert to fraction form
    13,081.99/18,034.08 = 9,932.71/x
  3. Step 3: Cross multiply
    13,081.99x = 18,034.08 × 9,932.71
  4. Step 4: Simplify right side
    13,081.99x = 179,127,286.76
  5. Step 5: Solve for x
    x = 179,127,286.76/13,081.99
  6. Step 6: Final answer
    x = 13,692.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.