Home / 18,280.41-27,398.49-8,906.37

Finding the Fourth Proportional to 18,280.41, 27,398.49 and 8,906.37

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Solution

The fourth proportional to 18,280.41, 27,398.49 and 8,906.37 is: 13,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.41 : 27,398.49 = 8,906.37 : x
  2. Step 2: Convert to fraction form
    18,280.41/27,398.49 = 8,906.37/x
  3. Step 3: Cross multiply
    18,280.41x = 27,398.49 × 8,906.37
  4. Step 4: Simplify right side
    18,280.41x = 244,021,089.38
  5. Step 5: Solve for x
    x = 244,021,089.38/18,280.41
  6. Step 6: Final answer
    x = 13,348.78

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1.5x scale

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.