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Finding the Fourth Proportional to 17,906.67, 26,849.07 and 7,373.43

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Solution

The fourth proportional to 17,906.67, 26,849.07 and 7,373.43 is: 11,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.67 : 26,849.07 = 7,373.43 : x
  2. Step 2: Convert to fraction form
    17,906.67/26,849.07 = 7,373.43/x
  3. Step 3: Cross multiply
    17,906.67x = 26,849.07 × 7,373.43
  4. Step 4: Simplify right side
    17,906.67x = 197,969,738.21
  5. Step 5: Solve for x
    x = 197,969,738.21/17,906.67
  6. Step 6: Final answer
    x = 11,055.64

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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.