Home / 20,542.60-30,814.92-8,061.52

Finding the Fourth Proportional to 20,542.60, 30,814.92 and 8,061.52

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Solution

The fourth proportional to 20,542.60, 30,814.92 and 8,061.52 is: 12,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.60 : 30,814.92 = 8,061.52 : x
  2. Step 2: Convert to fraction form
    20,542.60/30,814.92 = 8,061.52/x
  3. Step 3: Cross multiply
    20,542.60x = 30,814.92 × 8,061.52
  4. Step 4: Simplify right side
    20,542.60x = 248,415,093.88
  5. Step 5: Solve for x
    x = 248,415,093.88/20,542.60
  6. Step 6: Final answer
    x = 12,092.68

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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.