Home / 11,335.32-17,003.03-3,939.84

Finding the Fourth Proportional to 11,335.32, 17,003.03 and 3,939.84

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Solution

The fourth proportional to 11,335.32, 17,003.03 and 3,939.84 is: 5,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.32 : 17,003.03 = 3,939.84 : x
  2. Step 2: Convert to fraction form
    11,335.32/17,003.03 = 3,939.84/x
  3. Step 3: Cross multiply
    11,335.32x = 17,003.03 × 3,939.84
  4. Step 4: Simplify right side
    11,335.32x = 66,989,198.02
  5. Step 5: Solve for x
    x = 66,989,198.02/11,335.32
  6. Step 6: Final answer
    x = 5,909.78

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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.