Home / 18,890.94-28,338.00-5,743.43

Finding the Fourth Proportional to 18,890.94, 28,338.00 and 5,743.43

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Solution

The fourth proportional to 18,890.94, 28,338.00 and 5,743.43 is: 8,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.94 : 28,338.00 = 5,743.43 : x
  2. Step 2: Convert to fraction form
    18,890.94/28,338.00 = 5,743.43/x
  3. Step 3: Cross multiply
    18,890.94x = 28,338.00 × 5,743.43
  4. Step 4: Simplify right side
    18,890.94x = 162,757,294.69
  5. Step 5: Solve for x
    x = 162,757,294.69/18,890.94
  6. Step 6: Final answer
    x = 8,615.63

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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.