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Finding the Fourth Proportional to 11,397.69, 17,101.94 and 7,893.09

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Solution

The fourth proportional to 11,397.69, 17,101.94 and 7,893.09 is: 11,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.69 : 17,101.94 = 7,893.09 : x
  2. Step 2: Convert to fraction form
    11,397.69/17,101.94 = 7,893.09/x
  3. Step 3: Cross multiply
    11,397.69x = 17,101.94 × 7,893.09
  4. Step 4: Simplify right side
    11,397.69x = 134,987,112.13
  5. Step 5: Solve for x
    x = 134,987,112.13/11,397.69
  6. Step 6: Final answer
    x = 11,843.37

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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.