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Finding the Fourth Proportional to 16,610.88, 24,916.26 and 5,518.41

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Solution

The fourth proportional to 16,610.88, 24,916.26 and 5,518.41 is: 8,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.88 : 24,916.26 = 5,518.41 : x
  2. Step 2: Convert to fraction form
    16,610.88/24,916.26 = 5,518.41/x
  3. Step 3: Cross multiply
    16,610.88x = 24,916.26 × 5,518.41
  4. Step 4: Simplify right side
    16,610.88x = 137,498,138.35
  5. Step 5: Solve for x
    x = 137,498,138.35/16,610.88
  6. Step 6: Final answer
    x = 8,277.60

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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.