Home / 20,374.73-30,542.48-11,134.25

Finding the Fourth Proportional to 20,374.73, 30,542.48 and 11,134.25

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Solution

The fourth proportional to 20,374.73, 30,542.48 and 11,134.25 is: 16,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.73 : 30,542.48 = 11,134.25 : x
  2. Step 2: Convert to fraction form
    20,374.73/30,542.48 = 11,134.25/x
  3. Step 3: Cross multiply
    20,374.73x = 30,542.48 × 11,134.25
  4. Step 4: Simplify right side
    20,374.73x = 340,067,552.27
  5. Step 5: Solve for x
    x = 340,067,552.27/20,374.73
  6. Step 6: Final answer
    x = 16,690.65

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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.