Home / 11,046.20-15,226.26-8,169.90

Finding the Fourth Proportional to 11,046.20, 15,226.26 and 8,169.90

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Solution

The fourth proportional to 11,046.20, 15,226.26 and 8,169.90 is: 11,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,046.20 : 15,226.26 = 8,169.90 : x
  2. Step 2: Convert to fraction form
    11,046.20/15,226.26 = 8,169.90/x
  3. Step 3: Cross multiply
    11,046.20x = 15,226.26 × 8,169.90
  4. Step 4: Simplify right side
    11,046.20x = 124,397,021.57
  5. Step 5: Solve for x
    x = 124,397,021.57/11,046.20
  6. Step 6: Final answer
    x = 11,261.52

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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.