Home / 11,860.38-17,788.83-3,540.06

Finding the Fourth Proportional to 11,860.38, 17,788.83 and 3,540.06

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Solution

The fourth proportional to 11,860.38, 17,788.83 and 3,540.06 is: 5,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.38 : 17,788.83 = 3,540.06 : x
  2. Step 2: Convert to fraction form
    11,860.38/17,788.83 = 3,540.06/x
  3. Step 3: Cross multiply
    11,860.38x = 17,788.83 × 3,540.06
  4. Step 4: Simplify right side
    11,860.38x = 62,973,525.53
  5. Step 5: Solve for x
    x = 62,973,525.53/11,860.38
  6. Step 6: Final answer
    x = 5,309.57

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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.