Home / 16,764.61-23,135.18-9,211.43

Finding the Fourth Proportional to 16,764.61, 23,135.18 and 9,211.43

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Solution

The fourth proportional to 16,764.61, 23,135.18 and 9,211.43 is: 12,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.61 : 23,135.18 = 9,211.43 : x
  2. Step 2: Convert to fraction form
    16,764.61/23,135.18 = 9,211.43/x
  3. Step 3: Cross multiply
    16,764.61x = 23,135.18 × 9,211.43
  4. Step 4: Simplify right side
    16,764.61x = 213,108,091.11
  5. Step 5: Solve for x
    x = 213,108,091.11/16,764.61
  6. Step 6: Final answer
    x = 12,711.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.