Home / 18,351.33-25,324.97-9,967.83

Finding the Fourth Proportional to 18,351.33, 25,324.97 and 9,967.83

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Solution

The fourth proportional to 18,351.33, 25,324.97 and 9,967.83 is: 13,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.33 : 25,324.97 = 9,967.83 : x
  2. Step 2: Convert to fraction form
    18,351.33/25,324.97 = 9,967.83/x
  3. Step 3: Cross multiply
    18,351.33x = 25,324.97 × 9,967.83
  4. Step 4: Simplify right side
    18,351.33x = 252,434,945.88
  5. Step 5: Solve for x
    x = 252,434,945.88/18,351.33
  6. Step 6: Final answer
    x = 13,755.68

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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.