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Finding the Fourth Proportional to 17,351.88, 26,035.68 and 6,819

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Solution

The fourth proportional to 17,351.88, 26,035.68 and 6,819 is: 10,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.88 : 26,035.68 = 6,819 : x
  2. Step 2: Convert to fraction form
    17,351.88/26,035.68 = 6,819/x
  3. Step 3: Cross multiply
    17,351.88x = 26,035.68 × 6,819
  4. Step 4: Simplify right side
    17,351.88x = 177,537,301.92
  5. Step 5: Solve for x
    x = 177,537,301.92/17,351.88
  6. Step 6: Final answer
    x = 10,231.59

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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.