Home / 18,564.39-27,855.81-8,704.44

Finding the Fourth Proportional to 18,564.39, 27,855.81 and 8,704.44

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Solution

The fourth proportional to 18,564.39, 27,855.81 and 8,704.44 is: 13,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.39 : 27,855.81 = 8,704.44 : x
  2. Step 2: Convert to fraction form
    18,564.39/27,855.81 = 8,704.44/x
  3. Step 3: Cross multiply
    18,564.39x = 27,855.81 × 8,704.44
  4. Step 4: Simplify right side
    18,564.39x = 242,469,226.80
  5. Step 5: Solve for x
    x = 242,469,226.80/18,564.39
  6. Step 6: Final answer
    x = 13,060.99

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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.