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Finding the Fourth Proportional to 13,041, 17,996.94 and 7,376.61

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Solution

The fourth proportional to 13,041, 17,996.94 and 7,376.61 is: 10,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041 : 17,996.94 = 7,376.61 : x
  2. Step 2: Convert to fraction form
    13,041/17,996.94 = 7,376.61/x
  3. Step 3: Cross multiply
    13,041x = 17,996.94 × 7,376.61
  4. Step 4: Simplify right side
    13,041x = 132,756,407.57
  5. Step 5: Solve for x
    x = 132,756,407.57/13,041
  6. Step 6: Final answer
    x = 10,179.93

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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.