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Finding the Fourth Proportional to 12,505.16, 18,772.41 and 9,874.44

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Solution

The fourth proportional to 12,505.16, 18,772.41 and 9,874.44 is: 14,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.16 : 18,772.41 = 9,874.44 : x
  2. Step 2: Convert to fraction form
    12,505.16/18,772.41 = 9,874.44/x
  3. Step 3: Cross multiply
    12,505.16x = 18,772.41 × 9,874.44
  4. Step 4: Simplify right side
    12,505.16x = 185,367,073.23
  5. Step 5: Solve for x
    x = 185,367,073.23/12,505.16
  6. Step 6: Final answer
    x = 14,823.24

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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.