Home / 11,989.73-17,983.94-3,669.74

Finding the Fourth Proportional to 11,989.73, 17,983.94 and 3,669.74

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Solution

The fourth proportional to 11,989.73, 17,983.94 and 3,669.74 is: 5,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.73 : 17,983.94 = 3,669.74 : x
  2. Step 2: Convert to fraction form
    11,989.73/17,983.94 = 3,669.74/x
  3. Step 3: Cross multiply
    11,989.73x = 17,983.94 × 3,669.74
  4. Step 4: Simplify right side
    11,989.73x = 65,996,343.15
  5. Step 5: Solve for x
    x = 65,996,343.15/11,989.73
  6. Step 6: Final answer
    x = 5,504.40

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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.