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Finding the Fourth Proportional to 16,858.34, 25,292.98 and 8,093.94

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Solution

The fourth proportional to 16,858.34, 25,292.98 and 8,093.94 is: 12,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.34 : 25,292.98 = 8,093.94 : x
  2. Step 2: Convert to fraction form
    16,858.34/25,292.98 = 8,093.94/x
  3. Step 3: Cross multiply
    16,858.34x = 25,292.98 × 8,093.94
  4. Step 4: Simplify right side
    16,858.34x = 204,719,862.54
  5. Step 5: Solve for x
    x = 204,719,862.54/16,858.34
  6. Step 6: Final answer
    x = 12,143.54

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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.