Home / 10,909.38-16,368.92-3,982.26

Finding the Fourth Proportional to 10,909.38, 16,368.92 and 3,982.26

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Solution

The fourth proportional to 10,909.38, 16,368.92 and 3,982.26 is: 5,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.38 : 16,368.92 = 3,982.26 : x
  2. Step 2: Convert to fraction form
    10,909.38/16,368.92 = 3,982.26/x
  3. Step 3: Cross multiply
    10,909.38x = 16,368.92 × 3,982.26
  4. Step 4: Simplify right side
    10,909.38x = 65,185,295.36
  5. Step 5: Solve for x
    x = 65,185,295.36/10,909.38
  6. Step 6: Final answer
    x = 5,975.16

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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.