Home / 11,924.70-17,887.03-3,159.69

Finding the Fourth Proportional to 11,924.70, 17,887.03 and 3,159.69

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Solution

The fourth proportional to 11,924.70, 17,887.03 and 3,159.69 is: 4,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.70 : 17,887.03 = 3,159.69 : x
  2. Step 2: Convert to fraction form
    11,924.70/17,887.03 = 3,159.69/x
  3. Step 3: Cross multiply
    11,924.70x = 17,887.03 × 3,159.69
  4. Step 4: Simplify right side
    11,924.70x = 56,517,469.82
  5. Step 5: Solve for x
    x = 56,517,469.82/11,924.70
  6. Step 6: Final answer
    x = 4,739.53

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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.