Home / 22,379.87-33,568.02-13,013.90

Finding the Fourth Proportional to 22,379.87, 33,568.02 and 13,013.90

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Solution

The fourth proportional to 22,379.87, 33,568.02 and 13,013.90 is: 19,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.87 : 33,568.02 = 13,013.90 : x
  2. Step 2: Convert to fraction form
    22,379.87/33,568.02 = 13,013.90/x
  3. Step 3: Cross multiply
    22,379.87x = 33,568.02 × 13,013.90
  4. Step 4: Simplify right side
    22,379.87x = 436,850,687.64
  5. Step 5: Solve for x
    x = 436,850,687.64/22,379.87
  6. Step 6: Final answer
    x = 19,519.81

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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.