Home / 11,965.11-17,948.55-3,645.84

Finding the Fourth Proportional to 11,965.11, 17,948.55 and 3,645.84

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Solution

The fourth proportional to 11,965.11, 17,948.55 and 3,645.84 is: 5,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.11 : 17,948.55 = 3,645.84 : x
  2. Step 2: Convert to fraction form
    11,965.11/17,948.55 = 3,645.84/x
  3. Step 3: Cross multiply
    11,965.11x = 17,948.55 × 3,645.84
  4. Step 4: Simplify right side
    11,965.11x = 65,437,541.53
  5. Step 5: Solve for x
    x = 65,437,541.53/11,965.11
  6. Step 6: Final answer
    x = 5,469.03

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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.