Home / 16,891.30-23,310.15-9,234.79

Finding the Fourth Proportional to 16,891.30, 23,310.15 and 9,234.79

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Solution

The fourth proportional to 16,891.30, 23,310.15 and 9,234.79 is: 12,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.30 : 23,310.15 = 9,234.79 : x
  2. Step 2: Convert to fraction form
    16,891.30/23,310.15 = 9,234.79/x
  3. Step 3: Cross multiply
    16,891.30x = 23,310.15 × 9,234.79
  4. Step 4: Simplify right side
    16,891.30x = 215,264,340.12
  5. Step 5: Solve for x
    x = 215,264,340.12/16,891.30
  6. Step 6: Final answer
    x = 12,744.10

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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.