Home / 18,338.24-25,306.34-10,380.54

Finding the Fourth Proportional to 18,338.24, 25,306.34 and 10,380.54

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Solution

The fourth proportional to 18,338.24, 25,306.34 and 10,380.54 is: 14,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.24 : 25,306.34 = 10,380.54 : x
  2. Step 2: Convert to fraction form
    18,338.24/25,306.34 = 10,380.54/x
  3. Step 3: Cross multiply
    18,338.24x = 25,306.34 × 10,380.54
  4. Step 4: Simplify right side
    18,338.24x = 262,693,474.62
  5. Step 5: Solve for x
    x = 262,693,474.62/18,338.24
  6. Step 6: Final answer
    x = 14,324.90

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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.