Home / 11,144.24-16,726.80-7,449.20

Finding the Fourth Proportional to 11,144.24, 16,726.80 and 7,449.20

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Solution

The fourth proportional to 11,144.24, 16,726.80 and 7,449.20 is: 11,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.24 : 16,726.80 = 7,449.20 : x
  2. Step 2: Convert to fraction form
    11,144.24/16,726.80 = 7,449.20/x
  3. Step 3: Cross multiply
    11,144.24x = 16,726.80 × 7,449.20
  4. Step 4: Simplify right side
    11,144.24x = 124,601,278.56
  5. Step 5: Solve for x
    x = 124,601,278.56/11,144.24
  6. Step 6: Final answer
    x = 11,180.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.