Home / 10,150.56-15,226.78-2,755.04

Finding the Fourth Proportional to 10,150.56, 15,226.78 and 2,755.04

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Solution

The fourth proportional to 10,150.56, 15,226.78 and 2,755.04 is: 4,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.56 : 15,226.78 = 2,755.04 : x
  2. Step 2: Convert to fraction form
    10,150.56/15,226.78 = 2,755.04/x
  3. Step 3: Cross multiply
    10,150.56x = 15,226.78 × 2,755.04
  4. Step 4: Simplify right side
    10,150.56x = 41,950,387.97
  5. Step 5: Solve for x
    x = 41,950,387.97/10,150.56
  6. Step 6: Final answer
    x = 4,132.82

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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.