Home / 8,937.38-12,334.13-5,161.23

Finding the Fourth Proportional to 8,937.38, 12,334.13 and 5,161.23

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Solution

The fourth proportional to 8,937.38, 12,334.13 and 5,161.23 is: 7,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.38 : 12,334.13 = 5,161.23 : x
  2. Step 2: Convert to fraction form
    8,937.38/12,334.13 = 5,161.23/x
  3. Step 3: Cross multiply
    8,937.38x = 12,334.13 × 5,161.23
  4. Step 4: Simplify right side
    8,937.38x = 63,659,255.97
  5. Step 5: Solve for x
    x = 63,659,255.97/8,937.38
  6. Step 6: Final answer
    x = 7,122.81

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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.