Home / 18,078.51-27,101.16-6,229.47

Finding the Fourth Proportional to 18,078.51, 27,101.16 and 6,229.47

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Solution

The fourth proportional to 18,078.51, 27,101.16 and 6,229.47 is: 9,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.51 : 27,101.16 = 6,229.47 : x
  2. Step 2: Convert to fraction form
    18,078.51/27,101.16 = 6,229.47/x
  3. Step 3: Cross multiply
    18,078.51x = 27,101.16 × 6,229.47
  4. Step 4: Simplify right side
    18,078.51x = 168,825,863.19
  5. Step 5: Solve for x
    x = 168,825,863.19/18,078.51
  6. Step 6: Final answer
    x = 9,338.48

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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.