Home / 9,882.20-14,823.30-2,486.60

Finding the Fourth Proportional to 9,882.20, 14,823.30 and 2,486.60

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Solution

The fourth proportional to 9,882.20, 14,823.30 and 2,486.60 is: 3,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.20 : 14,823.30 = 2,486.60 : x
  2. Step 2: Convert to fraction form
    9,882.20/14,823.30 = 2,486.60/x
  3. Step 3: Cross multiply
    9,882.20x = 14,823.30 × 2,486.60
  4. Step 4: Simplify right side
    9,882.20x = 36,859,617.78
  5. Step 5: Solve for x
    x = 36,859,617.78/9,882.20
  6. Step 6: Final answer
    x = 3,729.90

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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.