Home / 9,170.97-12,655.83-5,192.04

Finding the Fourth Proportional to 9,170.97, 12,655.83 and 5,192.04

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Solution

The fourth proportional to 9,170.97, 12,655.83 and 5,192.04 is: 7,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.97 : 12,655.83 = 5,192.04 : x
  2. Step 2: Convert to fraction form
    9,170.97/12,655.83 = 5,192.04/x
  3. Step 3: Cross multiply
    9,170.97x = 12,655.83 × 5,192.04
  4. Step 4: Simplify right side
    9,170.97x = 65,709,575.59
  5. Step 5: Solve for x
    x = 65,709,575.59/9,170.97
  6. Step 6: Final answer
    x = 7,164.95

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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.