Home / 18,338.20-25,306.73-10,380.27

Finding the Fourth Proportional to 18,338.20, 25,306.73 and 10,380.27

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Solution

The fourth proportional to 18,338.20, 25,306.73 and 10,380.27 is: 14,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.20 : 25,306.73 = 10,380.27 : x
  2. Step 2: Convert to fraction form
    18,338.20/25,306.73 = 10,380.27/x
  3. Step 3: Cross multiply
    18,338.20x = 25,306.73 × 10,380.27
  4. Step 4: Simplify right side
    18,338.20x = 262,690,690.22
  5. Step 5: Solve for x
    x = 262,690,690.22/18,338.20
  6. Step 6: Final answer
    x = 14,324.78

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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.