Home / 12,310.20-18,452.70-6,060.60

Finding the Fourth Proportional to 12,310.20, 18,452.70 and 6,060.60

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Solution

The fourth proportional to 12,310.20, 18,452.70 and 6,060.60 is: 9,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.20 : 18,452.70 = 6,060.60 : x
  2. Step 2: Convert to fraction form
    12,310.20/18,452.70 = 6,060.60/x
  3. Step 3: Cross multiply
    12,310.20x = 18,452.70 × 6,060.60
  4. Step 4: Simplify right side
    12,310.20x = 111,834,433.62
  5. Step 5: Solve for x
    x = 111,834,433.62/12,310.20
  6. Step 6: Final answer
    x = 9,084.70

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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.