Home / 13,654.40-20,481.58-3,793.68

Finding the Fourth Proportional to 13,654.40, 20,481.58 and 3,793.68

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Solution

The fourth proportional to 13,654.40, 20,481.58 and 3,793.68 is: 5,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.40 : 20,481.58 = 3,793.68 : x
  2. Step 2: Convert to fraction form
    13,654.40/20,481.58 = 3,793.68/x
  3. Step 3: Cross multiply
    13,654.40x = 20,481.58 × 3,793.68
  4. Step 4: Simplify right side
    13,654.40x = 77,700,560.41
  5. Step 5: Solve for x
    x = 77,700,560.41/13,654.40
  6. Step 6: Final answer
    x = 5,690.51

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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.