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Finding the Fourth Proportional to 11,792.57, 17,694.93 and 5,223.39

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Solution

The fourth proportional to 11,792.57, 17,694.93 and 5,223.39 is: 7,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.57 : 17,694.93 = 5,223.39 : x
  2. Step 2: Convert to fraction form
    11,792.57/17,694.93 = 5,223.39/x
  3. Step 3: Cross multiply
    11,792.57x = 17,694.93 × 5,223.39
  4. Step 4: Simplify right side
    11,792.57x = 92,427,520.41
  5. Step 5: Solve for x
    x = 92,427,520.41/11,792.57
  6. Step 6: Final answer
    x = 7,837.78

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1.5x scale

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.