Home / 20,197.25-30,282.20-7,042.44

Finding the Fourth Proportional to 20,197.25, 30,282.20 and 7,042.44

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Solution

The fourth proportional to 20,197.25, 30,282.20 and 7,042.44 is: 10,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.25 : 30,282.20 = 7,042.44 : x
  2. Step 2: Convert to fraction form
    20,197.25/30,282.20 = 7,042.44/x
  3. Step 3: Cross multiply
    20,197.25x = 30,282.20 × 7,042.44
  4. Step 4: Simplify right side
    20,197.25x = 213,260,541.36
  5. Step 5: Solve for x
    x = 213,260,541.36/20,197.25
  6. Step 6: Final answer
    x = 10,558.89

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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.