Home / 15,310.44-22,939.74-12,200.04

Finding the Fourth Proportional to 15,310.44, 22,939.74 and 12,200.04

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Solution

The fourth proportional to 15,310.44, 22,939.74 and 12,200.04 is: 18,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.44 : 22,939.74 = 12,200.04 : x
  2. Step 2: Convert to fraction form
    15,310.44/22,939.74 = 12,200.04/x
  3. Step 3: Cross multiply
    15,310.44x = 22,939.74 × 12,200.04
  4. Step 4: Simplify right side
    15,310.44x = 279,865,745.59
  5. Step 5: Solve for x
    x = 279,865,745.59/15,310.44
  6. Step 6: Final answer
    x = 18,279.41

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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.