Home / 18,827.13-28,233.49-6,343.80

Finding the Fourth Proportional to 18,827.13, 28,233.49 and 6,343.80

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Solution

The fourth proportional to 18,827.13, 28,233.49 and 6,343.80 is: 9,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.13 : 28,233.49 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    18,827.13/28,233.49 = 6,343.80/x
  3. Step 3: Cross multiply
    18,827.13x = 28,233.49 × 6,343.80
  4. Step 4: Simplify right side
    18,827.13x = 179,107,613.86
  5. Step 5: Solve for x
    x = 179,107,613.86/18,827.13
  6. Step 6: Final answer
    x = 9,513.27

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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.