Home / 12,310.98-18,469.50-3,546.57

Finding the Fourth Proportional to 12,310.98, 18,469.50 and 3,546.57

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Solution

The fourth proportional to 12,310.98, 18,469.50 and 3,546.57 is: 5,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.98 : 18,469.50 = 3,546.57 : x
  2. Step 2: Convert to fraction form
    12,310.98/18,469.50 = 3,546.57/x
  3. Step 3: Cross multiply
    12,310.98x = 18,469.50 × 3,546.57
  4. Step 4: Simplify right side
    12,310.98x = 65,503,374.62
  5. Step 5: Solve for x
    x = 65,503,374.62/12,310.98
  6. Step 6: Final answer
    x = 5,320.73

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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.