Home / 10,234.20-15,351.30-9,310.80

Finding the Fourth Proportional to 10,234.20, 15,351.30 and 9,310.80

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Solution

The fourth proportional to 10,234.20, 15,351.30 and 9,310.80 is: 13,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.20 : 15,351.30 = 9,310.80 : x
  2. Step 2: Convert to fraction form
    10,234.20/15,351.30 = 9,310.80/x
  3. Step 3: Cross multiply
    10,234.20x = 15,351.30 × 9,310.80
  4. Step 4: Simplify right side
    10,234.20x = 142,932,884.04
  5. Step 5: Solve for x
    x = 142,932,884.04/10,234.20
  6. Step 6: Final answer
    x = 13,966.20

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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.