Home / 18,064.80-27,087.84-5,581.44

Finding the Fourth Proportional to 18,064.80, 27,087.84 and 5,581.44

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Solution

The fourth proportional to 18,064.80, 27,087.84 and 5,581.44 is: 8,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.80 : 27,087.84 = 5,581.44 : x
  2. Step 2: Convert to fraction form
    18,064.80/27,087.84 = 5,581.44/x
  3. Step 3: Cross multiply
    18,064.80x = 27,087.84 × 5,581.44
  4. Step 4: Simplify right side
    18,064.80x = 151,189,153.69
  5. Step 5: Solve for x
    x = 151,189,153.69/18,064.80
  6. Step 6: Final answer
    x = 8,369.27

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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.