Home / 18,418.13-27,629.75-6,568.43

Finding the Fourth Proportional to 18,418.13, 27,629.75 and 6,568.43

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Solution

The fourth proportional to 18,418.13, 27,629.75 and 6,568.43 is: 9,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.13 : 27,629.75 = 6,568.43 : x
  2. Step 2: Convert to fraction form
    18,418.13/27,629.75 = 6,568.43/x
  3. Step 3: Cross multiply
    18,418.13x = 27,629.75 × 6,568.43
  4. Step 4: Simplify right side
    18,418.13x = 181,484,164.29
  5. Step 5: Solve for x
    x = 181,484,164.29/18,418.13
  6. Step 6: Final answer
    x = 9,853.56

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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.