Home / 20,456.44-30,691.10-7,308.52

Finding the Fourth Proportional to 20,456.44, 30,691.10 and 7,308.52

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Solution

The fourth proportional to 20,456.44, 30,691.10 and 7,308.52 is: 10,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456.44 : 30,691.10 = 7,308.52 : x
  2. Step 2: Convert to fraction form
    20,456.44/30,691.10 = 7,308.52/x
  3. Step 3: Cross multiply
    20,456.44x = 30,691.10 × 7,308.52
  4. Step 4: Simplify right side
    20,456.44x = 224,306,518.17
  5. Step 5: Solve for x
    x = 224,306,518.17/20,456.44
  6. Step 6: Final answer
    x = 10,965.08

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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.