Home / 12,310.12-17,002.11-8,967.88

Finding the Fourth Proportional to 12,310.12, 17,002.11 and 8,967.88

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Solution

The fourth proportional to 12,310.12, 17,002.11 and 8,967.88 is: 12,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.12 : 17,002.11 = 8,967.88 : x
  2. Step 2: Convert to fraction form
    12,310.12/17,002.11 = 8,967.88/x
  3. Step 3: Cross multiply
    12,310.12x = 17,002.11 × 8,967.88
  4. Step 4: Simplify right side
    12,310.12x = 152,472,882.23
  5. Step 5: Solve for x
    x = 152,472,882.23/12,310.12
  6. Step 6: Final answer
    x = 12,385.98

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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.