Home / 18,193.78-27,231.46-10,175.32

Finding the Fourth Proportional to 18,193.78, 27,231.46 and 10,175.32

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Solution

The fourth proportional to 18,193.78, 27,231.46 and 10,175.32 is: 15,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.78 : 27,231.46 = 10,175.32 : x
  2. Step 2: Convert to fraction form
    18,193.78/27,231.46 = 10,175.32/x
  3. Step 3: Cross multiply
    18,193.78x = 27,231.46 × 10,175.32
  4. Step 4: Simplify right side
    18,193.78x = 277,088,819.57
  5. Step 5: Solve for x
    x = 277,088,819.57/18,193.78
  6. Step 6: Final answer
    x = 15,229.87

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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.