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Finding the Fourth Proportional to 12,351, 17,044.80 and 6,762.36

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Solution

The fourth proportional to 12,351, 17,044.80 and 6,762.36 is: 9,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351 : 17,044.80 = 6,762.36 : x
  2. Step 2: Convert to fraction form
    12,351/17,044.80 = 6,762.36/x
  3. Step 3: Cross multiply
    12,351x = 17,044.80 × 6,762.36
  4. Step 4: Simplify right side
    12,351x = 115,263,073.73
  5. Step 5: Solve for x
    x = 115,263,073.73/12,351
  6. Step 6: Final answer
    x = 9,332.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.