Home / 20,337.97-30,503.82-5,548.09

Finding the Fourth Proportional to 20,337.97, 30,503.82 and 5,548.09

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Solution

The fourth proportional to 20,337.97, 30,503.82 and 5,548.09 is: 8,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.97 : 30,503.82 = 5,548.09 : x
  2. Step 2: Convert to fraction form
    20,337.97/30,503.82 = 5,548.09/x
  3. Step 3: Cross multiply
    20,337.97x = 30,503.82 × 5,548.09
  4. Step 4: Simplify right side
    20,337.97x = 169,237,938.70
  5. Step 5: Solve for x
    x = 169,237,938.70/20,337.97
  6. Step 6: Final answer
    x = 8,321.28

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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.