Home / 20,237.27-30,355.90-5,446.22

Finding the Fourth Proportional to 20,237.27, 30,355.90 and 5,446.22

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Solution

The fourth proportional to 20,237.27, 30,355.90 and 5,446.22 is: 8,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.27 : 30,355.90 = 5,446.22 : x
  2. Step 2: Convert to fraction form
    20,237.27/30,355.90 = 5,446.22/x
  3. Step 3: Cross multiply
    20,237.27x = 30,355.90 × 5,446.22
  4. Step 4: Simplify right side
    20,237.27x = 165,324,744.30
  5. Step 5: Solve for x
    x = 165,324,744.30/20,237.27
  6. Step 6: Final answer
    x = 8,169.32

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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.