Home / 15,635.20-23,451.16-8,236.68

Finding the Fourth Proportional to 15,635.20, 23,451.16 and 8,236.68

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Solution

The fourth proportional to 15,635.20, 23,451.16 and 8,236.68 is: 12,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.20 : 23,451.16 = 8,236.68 : x
  2. Step 2: Convert to fraction form
    15,635.20/23,451.16 = 8,236.68/x
  3. Step 3: Cross multiply
    15,635.20x = 23,451.16 × 8,236.68
  4. Step 4: Simplify right side
    15,635.20x = 193,159,700.55
  5. Step 5: Solve for x
    x = 193,159,700.55/15,635.20
  6. Step 6: Final answer
    x = 12,354.16

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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.