Home / 20,194.11-30,290.90-7,046.42

Finding the Fourth Proportional to 20,194.11, 30,290.90 and 7,046.42

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Solution

The fourth proportional to 20,194.11, 30,290.90 and 7,046.42 is: 10,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.11 : 30,290.90 = 7,046.42 : x
  2. Step 2: Convert to fraction form
    20,194.11/30,290.90 = 7,046.42/x
  3. Step 3: Cross multiply
    20,194.11x = 30,290.90 × 7,046.42
  4. Step 4: Simplify right side
    20,194.11x = 213,442,216.89
  5. Step 5: Solve for x
    x = 213,442,216.89/20,194.11
  6. Step 6: Final answer
    x = 10,569.53

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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.