Home / 11,940.37-17,918.33-4,544.89

Finding the Fourth Proportional to 11,940.37, 17,918.33 and 4,544.89

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Solution

The fourth proportional to 11,940.37, 17,918.33 and 4,544.89 is: 6,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.37 : 17,918.33 = 4,544.89 : x
  2. Step 2: Convert to fraction form
    11,940.37/17,918.33 = 4,544.89/x
  3. Step 3: Cross multiply
    11,940.37x = 17,918.33 × 4,544.89
  4. Step 4: Simplify right side
    11,940.37x = 81,436,838.83
  5. Step 5: Solve for x
    x = 81,436,838.83/11,940.37
  6. Step 6: Final answer
    x = 6,820.29

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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.