Home / 11,383.98-17,076.12-3,988.64

Finding the Fourth Proportional to 11,383.98, 17,076.12 and 3,988.64

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Solution

The fourth proportional to 11,383.98, 17,076.12 and 3,988.64 is: 5,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.98 : 17,076.12 = 3,988.64 : x
  2. Step 2: Convert to fraction form
    11,383.98/17,076.12 = 3,988.64/x
  3. Step 3: Cross multiply
    11,383.98x = 17,076.12 × 3,988.64
  4. Step 4: Simplify right side
    11,383.98x = 68,110,523.01
  5. Step 5: Solve for x
    x = 68,110,523.01/11,383.98
  6. Step 6: Final answer
    x = 5,983.02

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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.