Home / 12,248.60-18,380.14-4,458.04

Finding the Fourth Proportional to 12,248.60, 18,380.14 and 4,458.04

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Solution

The fourth proportional to 12,248.60, 18,380.14 and 4,458.04 is: 6,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.60 : 18,380.14 = 4,458.04 : x
  2. Step 2: Convert to fraction form
    12,248.60/18,380.14 = 4,458.04/x
  3. Step 3: Cross multiply
    12,248.60x = 18,380.14 × 4,458.04
  4. Step 4: Simplify right side
    12,248.60x = 81,939,399.33
  5. Step 5: Solve for x
    x = 81,939,399.33/12,248.60
  6. Step 6: Final answer
    x = 6,689.70

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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.