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Finding the Fourth Proportional to 19,344, 26,694.72 and 10,512

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Solution

The fourth proportional to 19,344, 26,694.72 and 10,512 is: 14,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344 : 26,694.72 = 10,512 : x
  2. Step 2: Convert to fraction form
    19,344/26,694.72 = 10,512/x
  3. Step 3: Cross multiply
    19,344x = 26,694.72 × 10,512
  4. Step 4: Simplify right side
    19,344x = 280,614,896.64
  5. Step 5: Solve for x
    x = 280,614,896.64/19,344
  6. Step 6: Final answer
    x = 14,506.56

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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.