Home / 18,743.85-28,120.77-5,596.34

Finding the Fourth Proportional to 18,743.85, 28,120.77 and 5,596.34

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Solution

The fourth proportional to 18,743.85, 28,120.77 and 5,596.34 is: 8,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.85 : 28,120.77 = 5,596.34 : x
  2. Step 2: Convert to fraction form
    18,743.85/28,120.77 = 5,596.34/x
  3. Step 3: Cross multiply
    18,743.85x = 28,120.77 × 5,596.34
  4. Step 4: Simplify right side
    18,743.85x = 157,373,249.38
  5. Step 5: Solve for x
    x = 157,373,249.38/18,743.85
  6. Step 6: Final answer
    x = 8,395.99

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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.