Home / 12,760.20-17,608.05-7,454.43

Finding the Fourth Proportional to 12,760.20, 17,608.05 and 7,454.43

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Solution

The fourth proportional to 12,760.20, 17,608.05 and 7,454.43 is: 10,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.20 : 17,608.05 = 7,454.43 : x
  2. Step 2: Convert to fraction form
    12,760.20/17,608.05 = 7,454.43/x
  3. Step 3: Cross multiply
    12,760.20x = 17,608.05 × 7,454.43
  4. Step 4: Simplify right side
    12,760.20x = 131,257,976.16
  5. Step 5: Solve for x
    x = 131,257,976.16/12,760.20
  6. Step 6: Final answer
    x = 10,286.51

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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.