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Finding the Fourth Proportional to 16,608.90, 24,907.93 and 5,512.61

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Solution

The fourth proportional to 16,608.90, 24,907.93 and 5,512.61 is: 8,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.90 : 24,907.93 = 5,512.61 : x
  2. Step 2: Convert to fraction form
    16,608.90/24,907.93 = 5,512.61/x
  3. Step 3: Cross multiply
    16,608.90x = 24,907.93 × 5,512.61
  4. Step 4: Simplify right side
    16,608.90x = 137,307,704.00
  5. Step 5: Solve for x
    x = 137,307,704.00/16,608.90
  6. Step 6: Final answer
    x = 8,267.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.