Home / 18,793.58-28,169.82-11,778.75

Finding the Fourth Proportional to 18,793.58, 28,169.82 and 11,778.75

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Solution

The fourth proportional to 18,793.58, 28,169.82 and 11,778.75 is: 17,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.58 : 28,169.82 = 11,778.75 : x
  2. Step 2: Convert to fraction form
    18,793.58/28,169.82 = 11,778.75/x
  3. Step 3: Cross multiply
    18,793.58x = 28,169.82 × 11,778.75
  4. Step 4: Simplify right side
    18,793.58x = 331,805,267.33
  5. Step 5: Solve for x
    x = 331,805,267.33/18,793.58
  6. Step 6: Final answer
    x = 17,655.25

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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.