Home / 10,721.72-16,076.46-3,324.08

Finding the Fourth Proportional to 10,721.72, 16,076.46 and 3,324.08

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Solution

The fourth proportional to 10,721.72, 16,076.46 and 3,324.08 is: 4,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.72 : 16,076.46 = 3,324.08 : x
  2. Step 2: Convert to fraction form
    10,721.72/16,076.46 = 3,324.08/x
  3. Step 3: Cross multiply
    10,721.72x = 16,076.46 × 3,324.08
  4. Step 4: Simplify right side
    10,721.72x = 53,439,439.16
  5. Step 5: Solve for x
    x = 53,439,439.16/10,721.72
  6. Step 6: Final answer
    x = 4,984.22

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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.