Home / 18,512.46-27,704.09-15,141.74

Finding the Fourth Proportional to 18,512.46, 27,704.09 and 15,141.74

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Solution

The fourth proportional to 18,512.46, 27,704.09 and 15,141.74 is: 22,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.46 : 27,704.09 = 15,141.74 : x
  2. Step 2: Convert to fraction form
    18,512.46/27,704.09 = 15,141.74/x
  3. Step 3: Cross multiply
    18,512.46x = 27,704.09 × 15,141.74
  4. Step 4: Simplify right side
    18,512.46x = 419,488,127.72
  5. Step 5: Solve for x
    x = 419,488,127.72/18,512.46
  6. Step 6: Final answer
    x = 22,659.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.