Home / 11,965.38-17,950.65-3,646.05

Finding the Fourth Proportional to 11,965.38, 17,950.65 and 3,646.05

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Solution

The fourth proportional to 11,965.38, 17,950.65 and 3,646.05 is: 5,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.38 : 17,950.65 = 3,646.05 : x
  2. Step 2: Convert to fraction form
    11,965.38/17,950.65 = 3,646.05/x
  3. Step 3: Cross multiply
    11,965.38x = 17,950.65 × 3,646.05
  4. Step 4: Simplify right side
    11,965.38x = 65,448,967.43
  5. Step 5: Solve for x
    x = 65,448,967.43/11,965.38
  6. Step 6: Final answer
    x = 5,469.86

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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.