Home / 18,667.44-27,977.40-9,906.48

Finding the Fourth Proportional to 18,667.44, 27,977.40 and 9,906.48

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Solution

The fourth proportional to 18,667.44, 27,977.40 and 9,906.48 is: 14,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.44 : 27,977.40 = 9,906.48 : x
  2. Step 2: Convert to fraction form
    18,667.44/27,977.40 = 9,906.48/x
  3. Step 3: Cross multiply
    18,667.44x = 27,977.40 × 9,906.48
  4. Step 4: Simplify right side
    18,667.44x = 277,157,553.55
  5. Step 5: Solve for x
    x = 277,157,553.55/18,667.44
  6. Step 6: Final answer
    x = 14,847.11

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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.