Home / 20,327.40-30,493.98-6,288.66

Finding the Fourth Proportional to 20,327.40, 30,493.98 and 6,288.66

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Solution

The fourth proportional to 20,327.40, 30,493.98 and 6,288.66 is: 9,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.40 : 30,493.98 = 6,288.66 : x
  2. Step 2: Convert to fraction form
    20,327.40/30,493.98 = 6,288.66/x
  3. Step 3: Cross multiply
    20,327.40x = 30,493.98 × 6,288.66
  4. Step 4: Simplify right side
    20,327.40x = 191,766,272.27
  5. Step 5: Solve for x
    x = 191,766,272.27/20,327.40
  6. Step 6: Final answer
    x = 9,433.88

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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.