Home / 9,439.97-14,156.85-3,198.38

Finding the Fourth Proportional to 9,439.97, 14,156.85 and 3,198.38

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Solution

The fourth proportional to 9,439.97, 14,156.85 and 3,198.38 is: 4,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.97 : 14,156.85 = 3,198.38 : x
  2. Step 2: Convert to fraction form
    9,439.97/14,156.85 = 3,198.38/x
  3. Step 3: Cross multiply
    9,439.97x = 14,156.85 × 3,198.38
  4. Step 4: Simplify right side
    9,439.97x = 45,278,985.90
  5. Step 5: Solve for x
    x = 45,278,985.90/9,439.97
  6. Step 6: Final answer
    x = 4,796.52

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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.