Home / 9,721.43-14,571.09-4,171.94

Finding the Fourth Proportional to 9,721.43, 14,571.09 and 4,171.94

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Solution

The fourth proportional to 9,721.43, 14,571.09 and 4,171.94 is: 6,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.43 : 14,571.09 = 4,171.94 : x
  2. Step 2: Convert to fraction form
    9,721.43/14,571.09 = 4,171.94/x
  3. Step 3: Cross multiply
    9,721.43x = 14,571.09 × 4,171.94
  4. Step 4: Simplify right side
    9,721.43x = 60,789,640.36
  5. Step 5: Solve for x
    x = 60,789,640.36/9,721.43
  6. Step 6: Final answer
    x = 6,253.16

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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.