Home / 20,793.66-31,188.60-10,797.90

Finding the Fourth Proportional to 20,793.66, 31,188.60 and 10,797.90

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Solution

The fourth proportional to 20,793.66, 31,188.60 and 10,797.90 is: 16,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.66 : 31,188.60 = 10,797.90 : x
  2. Step 2: Convert to fraction form
    20,793.66/31,188.60 = 10,797.90/x
  3. Step 3: Cross multiply
    20,793.66x = 31,188.60 × 10,797.90
  4. Step 4: Simplify right side
    20,793.66x = 336,771,383.94
  5. Step 5: Solve for x
    x = 336,771,383.94/20,793.66
  6. Step 6: Final answer
    x = 16,195.87

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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.