Home / 11,984.22-17,977.41-3,218.94

Finding the Fourth Proportional to 11,984.22, 17,977.41 and 3,218.94

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Solution

The fourth proportional to 11,984.22, 17,977.41 and 3,218.94 is: 4,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.22 : 17,977.41 = 3,218.94 : x
  2. Step 2: Convert to fraction form
    11,984.22/17,977.41 = 3,218.94/x
  3. Step 3: Cross multiply
    11,984.22x = 17,977.41 × 3,218.94
  4. Step 4: Simplify right side
    11,984.22x = 57,868,204.15
  5. Step 5: Solve for x
    x = 57,868,204.15/11,984.22
  6. Step 6: Final answer
    x = 4,828.70

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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.