Home / 18,892.14-28,338.31-5,744.47

Finding the Fourth Proportional to 18,892.14, 28,338.31 and 5,744.47

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Solution

The fourth proportional to 18,892.14, 28,338.31 and 5,744.47 is: 8,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.14 : 28,338.31 = 5,744.47 : x
  2. Step 2: Convert to fraction form
    18,892.14/28,338.31 = 5,744.47/x
  3. Step 3: Cross multiply
    18,892.14x = 28,338.31 × 5,744.47
  4. Step 4: Simplify right side
    18,892.14x = 162,788,528.80
  5. Step 5: Solve for x
    x = 162,788,528.80/18,892.14
  6. Step 6: Final answer
    x = 8,616.73

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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.