Home / 20,352.62-30,540.27-10,992.44

Finding the Fourth Proportional to 20,352.62, 30,540.27 and 10,992.44

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Solution

The fourth proportional to 20,352.62, 30,540.27 and 10,992.44 is: 16,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.62 : 30,540.27 = 10,992.44 : x
  2. Step 2: Convert to fraction form
    20,352.62/30,540.27 = 10,992.44/x
  3. Step 3: Cross multiply
    20,352.62x = 30,540.27 × 10,992.44
  4. Step 4: Simplify right side
    20,352.62x = 335,712,085.56
  5. Step 5: Solve for x
    x = 335,712,085.56/20,352.62
  6. Step 6: Final answer
    x = 16,494.78

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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.