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Finding the Fourth Proportional to 18,042.56, 27,067.93 and 8,184.65

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Solution

The fourth proportional to 18,042.56, 27,067.93 and 8,184.65 is: 12,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.56 : 27,067.93 = 8,184.65 : x
  2. Step 2: Convert to fraction form
    18,042.56/27,067.93 = 8,184.65/x
  3. Step 3: Cross multiply
    18,042.56x = 27,067.93 × 8,184.65
  4. Step 4: Simplify right side
    18,042.56x = 221,541,533.27
  5. Step 5: Solve for x
    x = 221,541,533.27/18,042.56
  6. Step 6: Final answer
    x = 12,278.83

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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.