Home / 20,616.35-30,922.97-6,575.81

Finding the Fourth Proportional to 20,616.35, 30,922.97 and 6,575.81

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Solution

The fourth proportional to 20,616.35, 30,922.97 and 6,575.81 is: 9,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.35 : 30,922.97 = 6,575.81 : x
  2. Step 2: Convert to fraction form
    20,616.35/30,922.97 = 6,575.81/x
  3. Step 3: Cross multiply
    20,616.35x = 30,922.97 × 6,575.81
  4. Step 4: Simplify right side
    20,616.35x = 203,343,387.86
  5. Step 5: Solve for x
    x = 203,343,387.86/20,616.35
  6. Step 6: Final answer
    x = 9,863.21

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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.