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Finding the Fourth Proportional to 12,173.89, 16,799.94 and 6,584.89

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Solution

The fourth proportional to 12,173.89, 16,799.94 and 6,584.89 is: 9,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.89 : 16,799.94 = 6,584.89 : x
  2. Step 2: Convert to fraction form
    12,173.89/16,799.94 = 6,584.89/x
  3. Step 3: Cross multiply
    12,173.89x = 16,799.94 × 6,584.89
  4. Step 4: Simplify right side
    12,173.89x = 110,625,790.68
  5. Step 5: Solve for x
    x = 110,625,790.68/12,173.89
  6. Step 6: Final answer
    x = 9,087.13

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1.5x scale

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.