Home / 11,320.79-16,982.09-4,304.16

Finding the Fourth Proportional to 11,320.79, 16,982.09 and 4,304.16

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Solution

The fourth proportional to 11,320.79, 16,982.09 and 4,304.16 is: 6,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.79 : 16,982.09 = 4,304.16 : x
  2. Step 2: Convert to fraction form
    11,320.79/16,982.09 = 4,304.16/x
  3. Step 3: Cross multiply
    11,320.79x = 16,982.09 × 4,304.16
  4. Step 4: Simplify right side
    11,320.79x = 73,093,610.97
  5. Step 5: Solve for x
    x = 73,093,610.97/11,320.79
  6. Step 6: Final answer
    x = 6,456.59

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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.