Home / 11,747.88-17,622.63-3,957.30

Finding the Fourth Proportional to 11,747.88, 17,622.63 and 3,957.30

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Solution

The fourth proportional to 11,747.88, 17,622.63 and 3,957.30 is: 5,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.88 : 17,622.63 = 3,957.30 : x
  2. Step 2: Convert to fraction form
    11,747.88/17,622.63 = 3,957.30/x
  3. Step 3: Cross multiply
    11,747.88x = 17,622.63 × 3,957.30
  4. Step 4: Simplify right side
    11,747.88x = 69,738,033.70
  5. Step 5: Solve for x
    x = 69,738,033.70/11,747.88
  6. Step 6: Final answer
    x = 5,936.22

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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.