Home / 20,843.08-31,252.26-8,369.02

Finding the Fourth Proportional to 20,843.08, 31,252.26 and 8,369.02

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Solution

The fourth proportional to 20,843.08, 31,252.26 and 8,369.02 is: 12,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.08 : 31,252.26 = 8,369.02 : x
  2. Step 2: Convert to fraction form
    20,843.08/31,252.26 = 8,369.02/x
  3. Step 3: Cross multiply
    20,843.08x = 31,252.26 × 8,369.02
  4. Step 4: Simplify right side
    20,843.08x = 261,550,788.99
  5. Step 5: Solve for x
    x = 261,550,788.99/20,843.08
  6. Step 6: Final answer
    x = 12,548.57

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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.