Home / 11,757.04-16,229.23-7,981.88

Finding the Fourth Proportional to 11,757.04, 16,229.23 and 7,981.88

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Solution

The fourth proportional to 11,757.04, 16,229.23 and 7,981.88 is: 11,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.04 : 16,229.23 = 7,981.88 : x
  2. Step 2: Convert to fraction form
    11,757.04/16,229.23 = 7,981.88/x
  3. Step 3: Cross multiply
    11,757.04x = 16,229.23 × 7,981.88
  4. Step 4: Simplify right side
    11,757.04x = 129,539,726.44
  5. Step 5: Solve for x
    x = 129,539,726.44/11,757.04
  6. Step 6: Final answer
    x = 11,018.06

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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.