Home / 9,169.97-12,654.45-5,191.04

Finding the Fourth Proportional to 9,169.97, 12,654.45 and 5,191.04

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Solution

The fourth proportional to 9,169.97, 12,654.45 and 5,191.04 is: 7,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.97 : 12,654.45 = 5,191.04 : x
  2. Step 2: Convert to fraction form
    9,169.97/12,654.45 = 5,191.04/x
  3. Step 3: Cross multiply
    9,169.97x = 12,654.45 × 5,191.04
  4. Step 4: Simplify right side
    9,169.97x = 65,689,787.76
  5. Step 5: Solve for x
    x = 65,689,787.76/9,169.97
  6. Step 6: Final answer
    x = 7,163.58

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1.5x scale

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.