Home / 11,905.56-17,859.30-4,114.44

Finding the Fourth Proportional to 11,905.56, 17,859.30 and 4,114.44

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Solution

The fourth proportional to 11,905.56, 17,859.30 and 4,114.44 is: 6,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.56 : 17,859.30 = 4,114.44 : x
  2. Step 2: Convert to fraction form
    11,905.56/17,859.30 = 4,114.44/x
  3. Step 3: Cross multiply
    11,905.56x = 17,859.30 × 4,114.44
  4. Step 4: Simplify right side
    11,905.56x = 73,481,018.29
  5. Step 5: Solve for x
    x = 73,481,018.29/11,905.56
  6. Step 6: Final answer
    x = 6,171.99

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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.