Home / 18,206.75-27,311.61-5,059.12

Finding the Fourth Proportional to 18,206.75, 27,311.61 and 5,059.12

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Solution

The fourth proportional to 18,206.75, 27,311.61 and 5,059.12 is: 7,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.75 : 27,311.61 = 5,059.12 : x
  2. Step 2: Convert to fraction form
    18,206.75/27,311.61 = 5,059.12/x
  3. Step 3: Cross multiply
    18,206.75x = 27,311.61 × 5,059.12
  4. Step 4: Simplify right side
    18,206.75x = 138,172,768.01
  5. Step 5: Solve for x
    x = 138,172,768.01/18,206.75
  6. Step 6: Final answer
    x = 7,589.10

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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.