Home / 20,349.73-30,514.56-8,499.94

Finding the Fourth Proportional to 20,349.73, 30,514.56 and 8,499.94

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Solution

The fourth proportional to 20,349.73, 30,514.56 and 8,499.94 is: 12,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.73 : 30,514.56 = 8,499.94 : x
  2. Step 2: Convert to fraction form
    20,349.73/30,514.56 = 8,499.94/x
  3. Step 3: Cross multiply
    20,349.73x = 30,514.56 × 8,499.94
  4. Step 4: Simplify right side
    20,349.73x = 259,371,820.97
  5. Step 5: Solve for x
    x = 259,371,820.97/20,349.73
  6. Step 6: Final answer
    x = 12,745.71

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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.