Home / 18,161.72-27,243.03-6,474.94

Finding the Fourth Proportional to 18,161.72, 27,243.03 and 6,474.94

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Solution

The fourth proportional to 18,161.72, 27,243.03 and 6,474.94 is: 9,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.72 : 27,243.03 = 6,474.94 : x
  2. Step 2: Convert to fraction form
    18,161.72/27,243.03 = 6,474.94/x
  3. Step 3: Cross multiply
    18,161.72x = 27,243.03 × 6,474.94
  4. Step 4: Simplify right side
    18,161.72x = 176,396,940.84
  5. Step 5: Solve for x
    x = 176,396,940.84/18,161.72
  6. Step 6: Final answer
    x = 9,712.57

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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.