Home / 20,204.21-30,296.18-11,773.44

Finding the Fourth Proportional to 20,204.21, 30,296.18 and 11,773.44

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Solution

The fourth proportional to 20,204.21, 30,296.18 and 11,773.44 is: 17,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.21 : 30,296.18 = 11,773.44 : x
  2. Step 2: Convert to fraction form
    20,204.21/30,296.18 = 11,773.44/x
  3. Step 3: Cross multiply
    20,204.21x = 30,296.18 × 11,773.44
  4. Step 4: Simplify right side
    20,204.21x = 356,690,286.89
  5. Step 5: Solve for x
    x = 356,690,286.89/20,204.21
  6. Step 6: Final answer
    x = 17,654.25

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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.