Home / 16,781.22-23,158.35-9,227.88

Finding the Fourth Proportional to 16,781.22, 23,158.35 and 9,227.88

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Solution

The fourth proportional to 16,781.22, 23,158.35 and 9,227.88 is: 12,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.22 : 23,158.35 = 9,227.88 : x
  2. Step 2: Convert to fraction form
    16,781.22/23,158.35 = 9,227.88/x
  3. Step 3: Cross multiply
    16,781.22x = 23,158.35 × 9,227.88
  4. Step 4: Simplify right side
    16,781.22x = 213,702,474.80
  5. Step 5: Solve for x
    x = 213,702,474.80/16,781.22
  6. Step 6: Final answer
    x = 12,734.62

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1.5x scale

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.