Home / 10,189.44-15,273.92-3,947.84

Finding the Fourth Proportional to 10,189.44, 15,273.92 and 3,947.84

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Solution

The fourth proportional to 10,189.44, 15,273.92 and 3,947.84 is: 5,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.44 : 15,273.92 = 3,947.84 : x
  2. Step 2: Convert to fraction form
    10,189.44/15,273.92 = 3,947.84/x
  3. Step 3: Cross multiply
    10,189.44x = 15,273.92 × 3,947.84
  4. Step 4: Simplify right side
    10,189.44x = 60,298,992.33
  5. Step 5: Solve for x
    x = 60,298,992.33/10,189.44
  6. Step 6: Final answer
    x = 5,917.79

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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.