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Finding the Fourth Proportional to 12,182.76, 18,267.88 and 5,943.04

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Solution

The fourth proportional to 12,182.76, 18,267.88 and 5,943.04 is: 8,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.76 : 18,267.88 = 5,943.04 : x
  2. Step 2: Convert to fraction form
    12,182.76/18,267.88 = 5,943.04/x
  3. Step 3: Cross multiply
    12,182.76x = 18,267.88 × 5,943.04
  4. Step 4: Simplify right side
    12,182.76x = 108,566,741.56
  5. Step 5: Solve for x
    x = 108,566,741.56/12,182.76
  6. Step 6: Final answer
    x = 8,911.51

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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.