Home / 20,193.92-30,290.61-5,200.96

Finding the Fourth Proportional to 20,193.92, 30,290.61 and 5,200.96

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Solution

The fourth proportional to 20,193.92, 30,290.61 and 5,200.96 is: 7,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.92 : 30,290.61 = 5,200.96 : x
  2. Step 2: Convert to fraction form
    20,193.92/30,290.61 = 5,200.96/x
  3. Step 3: Cross multiply
    20,193.92x = 30,290.61 × 5,200.96
  4. Step 4: Simplify right side
    20,193.92x = 157,540,250.99
  5. Step 5: Solve for x
    x = 157,540,250.99/20,193.92
  6. Step 6: Final answer
    x = 7,801.37

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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.