Home / 18,131.51-27,171.33-10,324.19

Finding the Fourth Proportional to 18,131.51, 27,171.33 and 10,324.19

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Solution

The fourth proportional to 18,131.51, 27,171.33 and 10,324.19 is: 15,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.51 : 27,171.33 = 10,324.19 : x
  2. Step 2: Convert to fraction form
    18,131.51/27,171.33 = 10,324.19/x
  3. Step 3: Cross multiply
    18,131.51x = 27,171.33 × 10,324.19
  4. Step 4: Simplify right side
    18,131.51x = 280,521,837.62
  5. Step 5: Solve for x
    x = 280,521,837.62/18,131.51
  6. Step 6: Final answer
    x = 15,471.51

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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.