Home / 13,542.73-20,321.85-7,302.71

Finding the Fourth Proportional to 13,542.73, 20,321.85 and 7,302.71

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Solution

The fourth proportional to 13,542.73, 20,321.85 and 7,302.71 is: 10,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.73 : 20,321.85 = 7,302.71 : x
  2. Step 2: Convert to fraction form
    13,542.73/20,321.85 = 7,302.71/x
  3. Step 3: Cross multiply
    13,542.73x = 20,321.85 × 7,302.71
  4. Step 4: Simplify right side
    13,542.73x = 148,404,577.21
  5. Step 5: Solve for x
    x = 148,404,577.21/13,542.73
  6. Step 6: Final answer
    x = 10,958.25

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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.