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Finding the Fourth Proportional to 11,193.94, 16,794.55 and 5,351

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Solution

The fourth proportional to 11,193.94, 16,794.55 and 5,351 is: 8,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.94 : 16,794.55 = 5,351 : x
  2. Step 2: Convert to fraction form
    11,193.94/16,794.55 = 5,351/x
  3. Step 3: Cross multiply
    11,193.94x = 16,794.55 × 5,351
  4. Step 4: Simplify right side
    11,193.94x = 89,867,637.05
  5. Step 5: Solve for x
    x = 89,867,637.05/11,193.94
  6. Step 6: Final answer
    x = 8,028.24

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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.