Home / 20,447.58-30,634.92-13,850.13

Finding the Fourth Proportional to 20,447.58, 30,634.92 and 13,850.13

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Solution

The fourth proportional to 20,447.58, 30,634.92 and 13,850.13 is: 20,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.58 : 30,634.92 = 13,850.13 : x
  2. Step 2: Convert to fraction form
    20,447.58/30,634.92 = 13,850.13/x
  3. Step 3: Cross multiply
    20,447.58x = 30,634.92 × 13,850.13
  4. Step 4: Simplify right side
    20,447.58x = 424,297,624.54
  5. Step 5: Solve for x
    x = 424,297,624.54/20,447.58
  6. Step 6: Final answer
    x = 20,750.51

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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.