Home / 18,227.45-27,310.40-11,192.81

Finding the Fourth Proportional to 18,227.45, 27,310.40 and 11,192.81

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Solution

The fourth proportional to 18,227.45, 27,310.40 and 11,192.81 is: 16,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.45 : 27,310.40 = 11,192.81 : x
  2. Step 2: Convert to fraction form
    18,227.45/27,310.40 = 11,192.81/x
  3. Step 3: Cross multiply
    18,227.45x = 27,310.40 × 11,192.81
  4. Step 4: Simplify right side
    18,227.45x = 305,679,967.68
  5. Step 5: Solve for x
    x = 305,679,967.68/18,227.45
  6. Step 6: Final answer
    x = 16,770.31

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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.