Home / 18,322.97-25,292.19-11,149.61

Finding the Fourth Proportional to 18,322.97, 25,292.19 and 11,149.61

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Solution

The fourth proportional to 18,322.97, 25,292.19 and 11,149.61 is: 15,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.97 : 25,292.19 = 11,149.61 : x
  2. Step 2: Convert to fraction form
    18,322.97/25,292.19 = 11,149.61/x
  3. Step 3: Cross multiply
    18,322.97x = 25,292.19 × 11,149.61
  4. Step 4: Simplify right side
    18,322.97x = 281,997,928.08
  5. Step 5: Solve for x
    x = 281,997,928.08/18,322.97
  6. Step 6: Final answer
    x = 15,390.41

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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.