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Finding the Fourth Proportional to 17,843.63, 26,765.45 and 6,155.95

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Solution

The fourth proportional to 17,843.63, 26,765.45 and 6,155.95 is: 9,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.63 : 26,765.45 = 6,155.95 : x
  2. Step 2: Convert to fraction form
    17,843.63/26,765.45 = 6,155.95/x
  3. Step 3: Cross multiply
    17,843.63x = 26,765.45 × 6,155.95
  4. Step 4: Simplify right side
    17,843.63x = 164,766,771.93
  5. Step 5: Solve for x
    x = 164,766,771.93/17,843.63
  6. Step 6: Final answer
    x = 9,233.93

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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.