Home / 20,198.34-30,304.80-10,342.26

Finding the Fourth Proportional to 20,198.34, 30,304.80 and 10,342.26

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Solution

The fourth proportional to 20,198.34, 30,304.80 and 10,342.26 is: 15,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.34 : 30,304.80 = 10,342.26 : x
  2. Step 2: Convert to fraction form
    20,198.34/30,304.80 = 10,342.26/x
  3. Step 3: Cross multiply
    20,198.34x = 30,304.80 × 10,342.26
  4. Step 4: Simplify right side
    20,198.34x = 313,420,120.85
  5. Step 5: Solve for x
    x = 313,420,120.85/20,198.34
  6. Step 6: Final answer
    x = 15,517.12

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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.