Home / 11,836.08-17,755.07-3,938.31

Finding the Fourth Proportional to 11,836.08, 17,755.07 and 3,938.31

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Solution

The fourth proportional to 11,836.08, 17,755.07 and 3,938.31 is: 5,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.08 : 17,755.07 = 3,938.31 : x
  2. Step 2: Convert to fraction form
    11,836.08/17,755.07 = 3,938.31/x
  3. Step 3: Cross multiply
    11,836.08x = 17,755.07 × 3,938.31
  4. Step 4: Simplify right side
    11,836.08x = 69,924,950.04
  5. Step 5: Solve for x
    x = 69,924,950.04/11,836.08
  6. Step 6: Final answer
    x = 5,907.78

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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.