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Finding the Fourth Proportional to 12,225.52, 16,872.24 and 7,511.44

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Solution

The fourth proportional to 12,225.52, 16,872.24 and 7,511.44 is: 10,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.52 : 16,872.24 = 7,511.44 : x
  2. Step 2: Convert to fraction form
    12,225.52/16,872.24 = 7,511.44/x
  3. Step 3: Cross multiply
    12,225.52x = 16,872.24 × 7,511.44
  4. Step 4: Simplify right side
    12,225.52x = 126,734,818.43
  5. Step 5: Solve for x
    x = 126,734,818.43/12,225.52
  6. Step 6: Final answer
    x = 10,366.42

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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.