Home / 12,304.20-18,458.10-3,982.62

Finding the Fourth Proportional to 12,304.20, 18,458.10 and 3,982.62

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Solution

The fourth proportional to 12,304.20, 18,458.10 and 3,982.62 is: 5,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.20 : 18,458.10 = 3,982.62 : x
  2. Step 2: Convert to fraction form
    12,304.20/18,458.10 = 3,982.62/x
  3. Step 3: Cross multiply
    12,304.20x = 18,458.10 × 3,982.62
  4. Step 4: Simplify right side
    12,304.20x = 73,511,598.22
  5. Step 5: Solve for x
    x = 73,511,598.22/12,304.20
  6. Step 6: Final answer
    x = 5,974.51

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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.