Home / 16,040.24-22,134.86-9,325.56

Finding the Fourth Proportional to 16,040.24, 22,134.86 and 9,325.56

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Solution

The fourth proportional to 16,040.24, 22,134.86 and 9,325.56 is: 12,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.24 : 22,134.86 = 9,325.56 : x
  2. Step 2: Convert to fraction form
    16,040.24/22,134.86 = 9,325.56/x
  3. Step 3: Cross multiply
    16,040.24x = 22,134.86 × 9,325.56
  4. Step 4: Simplify right side
    16,040.24x = 206,419,965.02
  5. Step 5: Solve for x
    x = 206,419,965.02/16,040.24
  6. Step 6: Final answer
    x = 12,868.88

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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.