Home / 13,553.38-20,332.23-4,193.02

Finding the Fourth Proportional to 13,553.38, 20,332.23 and 4,193.02

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Solution

The fourth proportional to 13,553.38, 20,332.23 and 4,193.02 is: 6,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.38 : 20,332.23 = 4,193.02 : x
  2. Step 2: Convert to fraction form
    13,553.38/20,332.23 = 4,193.02/x
  3. Step 3: Cross multiply
    13,553.38x = 20,332.23 × 4,193.02
  4. Step 4: Simplify right side
    13,553.38x = 85,253,447.03
  5. Step 5: Solve for x
    x = 85,253,447.03/13,553.38
  6. Step 6: Final answer
    x = 6,290.20

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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.