Home / 18,118.27-25,170.62-17,956.07

Finding the Fourth Proportional to 18,118.27, 25,170.62 and 17,956.07

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Solution

The fourth proportional to 18,118.27, 25,170.62 and 17,956.07 is: 24,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.27 : 25,170.62 = 17,956.07 : x
  2. Step 2: Convert to fraction form
    18,118.27/25,170.62 = 17,956.07/x
  3. Step 3: Cross multiply
    18,118.27x = 25,170.62 × 17,956.07
  4. Step 4: Simplify right side
    18,118.27x = 451,965,414.66
  5. Step 5: Solve for x
    x = 451,965,414.66/18,118.27
  6. Step 6: Final answer
    x = 24,945.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.