Home / 18,321.24-25,279.11-10,361.73

Finding the Fourth Proportional to 18,321.24, 25,279.11 and 10,361.73

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Solution

The fourth proportional to 18,321.24, 25,279.11 and 10,361.73 is: 14,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.24 : 25,279.11 = 10,361.73 : x
  2. Step 2: Convert to fraction form
    18,321.24/25,279.11 = 10,361.73/x
  3. Step 3: Cross multiply
    18,321.24x = 25,279.11 × 10,361.73
  4. Step 4: Simplify right side
    18,321.24x = 261,935,312.46
  5. Step 5: Solve for x
    x = 261,935,312.46/18,321.24
  6. Step 6: Final answer
    x = 14,296.81

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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.