Home / 9,149.07-12,625.82-5,170.23

Finding the Fourth Proportional to 9,149.07, 12,625.82 and 5,170.23

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Solution

The fourth proportional to 9,149.07, 12,625.82 and 5,170.23 is: 7,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.07 : 12,625.82 = 5,170.23 : x
  2. Step 2: Convert to fraction form
    9,149.07/12,625.82 = 5,170.23/x
  3. Step 3: Cross multiply
    9,149.07x = 12,625.82 × 5,170.23
  4. Step 4: Simplify right side
    9,149.07x = 65,278,367.49
  5. Step 5: Solve for x
    x = 65,278,367.49/9,149.07
  6. Step 6: Final answer
    x = 7,134.97

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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.