Home / 12,440.25-18,660.38-3,675.04

Finding the Fourth Proportional to 12,440.25, 18,660.38 and 3,675.04

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Solution

The fourth proportional to 12,440.25, 18,660.38 and 3,675.04 is: 5,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.25 : 18,660.38 = 3,675.04 : x
  2. Step 2: Convert to fraction form
    12,440.25/18,660.38 = 3,675.04/x
  3. Step 3: Cross multiply
    12,440.25x = 18,660.38 × 3,675.04
  4. Step 4: Simplify right side
    12,440.25x = 68,577,577.89
  5. Step 5: Solve for x
    x = 68,577,577.89/12,440.25
  6. Step 6: Final answer
    x = 5,512.56

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Similar ratio
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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.