Home / 18,891.03-28,334.73-5,743.53

Finding the Fourth Proportional to 18,891.03, 28,334.73 and 5,743.53

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Solution

The fourth proportional to 18,891.03, 28,334.73 and 5,743.53 is: 8,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.03 : 28,334.73 = 5,743.53 : x
  2. Step 2: Convert to fraction form
    18,891.03/28,334.73 = 5,743.53/x
  3. Step 3: Cross multiply
    18,891.03x = 28,334.73 × 5,743.53
  4. Step 4: Simplify right side
    18,891.03x = 162,741,371.80
  5. Step 5: Solve for x
    x = 162,741,371.80/18,891.03
  6. Step 6: Final answer
    x = 8,614.74

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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.