Home / 9,972.20-13,757.24-5,991

Finding the Fourth Proportional to 9,972.20, 13,757.24 and 5,991

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Solution

The fourth proportional to 9,972.20, 13,757.24 and 5,991 is: 8,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.20 : 13,757.24 = 5,991 : x
  2. Step 2: Convert to fraction form
    9,972.20/13,757.24 = 5,991/x
  3. Step 3: Cross multiply
    9,972.20x = 13,757.24 × 5,991
  4. Step 4: Simplify right side
    9,972.20x = 82,419,624.84
  5. Step 5: Solve for x
    x = 82,419,624.84/9,972.20
  6. Step 6: Final answer
    x = 8,264.94

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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.