Home / 10,202.25-15,305.57-3,182.12

Finding the Fourth Proportional to 10,202.25, 15,305.57 and 3,182.12

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Solution

The fourth proportional to 10,202.25, 15,305.57 and 3,182.12 is: 4,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.25 : 15,305.57 = 3,182.12 : x
  2. Step 2: Convert to fraction form
    10,202.25/15,305.57 = 3,182.12/x
  3. Step 3: Cross multiply
    10,202.25x = 15,305.57 × 3,182.12
  4. Step 4: Simplify right side
    10,202.25x = 48,704,067.97
  5. Step 5: Solve for x
    x = 48,704,067.97/10,202.25
  6. Step 6: Final answer
    x = 4,773.86

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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.