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Finding the Fourth Proportional to 14,872.82, 20,524.39 and 8,905.95

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Solution

The fourth proportional to 14,872.82, 20,524.39 and 8,905.95 is: 12,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.82 : 20,524.39 = 8,905.95 : x
  2. Step 2: Convert to fraction form
    14,872.82/20,524.39 = 8,905.95/x
  3. Step 3: Cross multiply
    14,872.82x = 20,524.39 × 8,905.95
  4. Step 4: Simplify right side
    14,872.82x = 182,789,168.86
  5. Step 5: Solve for x
    x = 182,789,168.86/14,872.82
  6. Step 6: Final answer
    x = 12,290.15

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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.