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Finding the Fourth Proportional to 17,469, 26,218.08 and 8,235

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Solution

The fourth proportional to 17,469, 26,218.08 and 8,235 is: 12,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469 : 26,218.08 = 8,235 : x
  2. Step 2: Convert to fraction form
    17,469/26,218.08 = 8,235/x
  3. Step 3: Cross multiply
    17,469x = 26,218.08 × 8,235
  4. Step 4: Simplify right side
    17,469x = 215,905,888.80
  5. Step 5: Solve for x
    x = 215,905,888.80/17,469
  6. Step 6: Final answer
    x = 12,359.37

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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.