Home / 11,791.40-17,684.94-4,771.04

Finding the Fourth Proportional to 11,791.40, 17,684.94 and 4,771.04

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Solution

The fourth proportional to 11,791.40, 17,684.94 and 4,771.04 is: 7,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.40 : 17,684.94 = 4,771.04 : x
  2. Step 2: Convert to fraction form
    11,791.40/17,684.94 = 4,771.04/x
  3. Step 3: Cross multiply
    11,791.40x = 17,684.94 × 4,771.04
  4. Step 4: Simplify right side
    11,791.40x = 84,375,556.14
  5. Step 5: Solve for x
    x = 84,375,556.14/11,791.40
  6. Step 6: Final answer
    x = 7,155.69

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1.5x scale

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.