Home / 18,656.43-27,994.37-8,265.75

Finding the Fourth Proportional to 18,656.43, 27,994.37 and 8,265.75

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Solution

The fourth proportional to 18,656.43, 27,994.37 and 8,265.75 is: 12,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.43 : 27,994.37 = 8,265.75 : x
  2. Step 2: Convert to fraction form
    18,656.43/27,994.37 = 8,265.75/x
  3. Step 3: Cross multiply
    18,656.43x = 27,994.37 × 8,265.75
  4. Step 4: Simplify right side
    18,656.43x = 231,394,422.50
  5. Step 5: Solve for x
    x = 231,394,422.50/18,656.43
  6. Step 6: Final answer
    x = 12,402.93

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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.