Home / 13,771.44-20,660.54-4,411.49

Finding the Fourth Proportional to 13,771.44, 20,660.54 and 4,411.49

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Solution

The fourth proportional to 13,771.44, 20,660.54 and 4,411.49 is: 6,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.44 : 20,660.54 = 4,411.49 : x
  2. Step 2: Convert to fraction form
    13,771.44/20,660.54 = 4,411.49/x
  3. Step 3: Cross multiply
    13,771.44x = 20,660.54 × 4,411.49
  4. Step 4: Simplify right side
    13,771.44x = 91,143,640.24
  5. Step 5: Solve for x
    x = 91,143,640.24/13,771.44
  6. Step 6: Final answer
    x = 6,618.31

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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.