Home / 22,163.20-33,244.79-13,379.56

Finding the Fourth Proportional to 22,163.20, 33,244.79 and 13,379.56

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Solution

The fourth proportional to 22,163.20, 33,244.79 and 13,379.56 is: 20,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.20 : 33,244.79 = 13,379.56 : x
  2. Step 2: Convert to fraction form
    22,163.20/33,244.79 = 13,379.56/x
  3. Step 3: Cross multiply
    22,163.20x = 33,244.79 × 13,379.56
  4. Step 4: Simplify right side
    22,163.20x = 444,800,662.49
  5. Step 5: Solve for x
    x = 444,800,662.49/22,163.20
  6. Step 6: Final answer
    x = 20,069.33

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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.