Home / 20,793.22-31,202.18-7,654.82

Finding the Fourth Proportional to 20,793.22, 31,202.18 and 7,654.82

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Solution

The fourth proportional to 20,793.22, 31,202.18 and 7,654.82 is: 11,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.22 : 31,202.18 = 7,654.82 : x
  2. Step 2: Convert to fraction form
    20,793.22/31,202.18 = 7,654.82/x
  3. Step 3: Cross multiply
    20,793.22x = 31,202.18 × 7,654.82
  4. Step 4: Simplify right side
    20,793.22x = 238,846,905.93
  5. Step 5: Solve for x
    x = 238,846,905.93/20,793.22
  6. Step 6: Final answer
    x = 11,486.77

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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.