Home / 9,972.82-14,961.02-4,129.88

Finding the Fourth Proportional to 9,972.82, 14,961.02 and 4,129.88

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Solution

The fourth proportional to 9,972.82, 14,961.02 and 4,129.88 is: 6,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.82 : 14,961.02 = 4,129.88 : x
  2. Step 2: Convert to fraction form
    9,972.82/14,961.02 = 4,129.88/x
  3. Step 3: Cross multiply
    9,972.82x = 14,961.02 × 4,129.88
  4. Step 4: Simplify right side
    9,972.82x = 61,787,217.28
  5. Step 5: Solve for x
    x = 61,787,217.28/9,972.82
  6. Step 6: Final answer
    x = 6,195.56

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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.