Home / 11,984.28-17,977.04-3,665.56

Finding the Fourth Proportional to 11,984.28, 17,977.04 and 3,665.56

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Solution

The fourth proportional to 11,984.28, 17,977.04 and 3,665.56 is: 5,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.28 : 17,977.04 = 3,665.56 : x
  2. Step 2: Convert to fraction form
    11,984.28/17,977.04 = 3,665.56/x
  3. Step 3: Cross multiply
    11,984.28x = 17,977.04 × 3,665.56
  4. Step 4: Simplify right side
    11,984.28x = 65,895,918.74
  5. Step 5: Solve for x
    x = 65,895,918.74/11,984.28
  6. Step 6: Final answer
    x = 5,498.53

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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.