Home / 11,654.40-17,481.60-4,259.04

Finding the Fourth Proportional to 11,654.40, 17,481.60 and 4,259.04

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Solution

The fourth proportional to 11,654.40, 17,481.60 and 4,259.04 is: 6,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.40 : 17,481.60 = 4,259.04 : x
  2. Step 2: Convert to fraction form
    11,654.40/17,481.60 = 4,259.04/x
  3. Step 3: Cross multiply
    11,654.40x = 17,481.60 × 4,259.04
  4. Step 4: Simplify right side
    11,654.40x = 74,454,833.66
  5. Step 5: Solve for x
    x = 74,454,833.66/11,654.40
  6. Step 6: Final answer
    x = 6,388.56

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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.