Home / 18,179.49-27,241.40-12,234.34

Finding the Fourth Proportional to 18,179.49, 27,241.40 and 12,234.34

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Solution

The fourth proportional to 18,179.49, 27,241.40 and 12,234.34 is: 18,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.49 : 27,241.40 = 12,234.34 : x
  2. Step 2: Convert to fraction form
    18,179.49/27,241.40 = 12,234.34/x
  3. Step 3: Cross multiply
    18,179.49x = 27,241.40 × 12,234.34
  4. Step 4: Simplify right side
    18,179.49x = 333,280,512.16
  5. Step 5: Solve for x
    x = 333,280,512.16/18,179.49
  6. Step 6: Final answer
    x = 18,332.78

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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.