Home / 20,997.85-31,489.44-6,202.84

Finding the Fourth Proportional to 20,997.85, 31,489.44 and 6,202.84

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Solution

The fourth proportional to 20,997.85, 31,489.44 and 6,202.84 is: 9,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997.85 : 31,489.44 = 6,202.84 : x
  2. Step 2: Convert to fraction form
    20,997.85/31,489.44 = 6,202.84/x
  3. Step 3: Cross multiply
    20,997.85x = 31,489.44 × 6,202.84
  4. Step 4: Simplify right side
    20,997.85x = 195,323,958.01
  5. Step 5: Solve for x
    x = 195,323,958.01/20,997.85
  6. Step 6: Final answer
    x = 9,302.09

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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.