Home / 22,162.20-33,243.29-13,378.56

Finding the Fourth Proportional to 22,162.20, 33,243.29 and 13,378.56

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Solution

The fourth proportional to 22,162.20, 33,243.29 and 13,378.56 is: 20,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.20 : 33,243.29 = 13,378.56 : x
  2. Step 2: Convert to fraction form
    22,162.20/33,243.29 = 13,378.56/x
  3. Step 3: Cross multiply
    22,162.20x = 33,243.29 × 13,378.56
  4. Step 4: Simplify right side
    22,162.20x = 444,747,349.86
  5. Step 5: Solve for x
    x = 444,747,349.86/22,162.20
  6. Step 6: Final answer
    x = 20,067.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.