Home / 25,630.12-38,449.32-8,098.66

Finding the Fourth Proportional to 25,630.12, 38,449.32 and 8,098.66

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Solution

The fourth proportional to 25,630.12, 38,449.32 and 8,098.66 is: 12,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.12 : 38,449.32 = 8,098.66 : x
  2. Step 2: Convert to fraction form
    25,630.12/38,449.32 = 8,098.66/x
  3. Step 3: Cross multiply
    25,630.12x = 38,449.32 × 8,098.66
  4. Step 4: Simplify right side
    25,630.12x = 311,387,969.91
  5. Step 5: Solve for x
    x = 311,387,969.91/25,630.12
  6. Step 6: Final answer
    x = 12,149.30

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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.