Home / 11,205.26-16,807.88-3,909.26

Finding the Fourth Proportional to 11,205.26, 16,807.88 and 3,909.26

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Solution

The fourth proportional to 11,205.26, 16,807.88 and 3,909.26 is: 5,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.26 : 16,807.88 = 3,909.26 : x
  2. Step 2: Convert to fraction form
    11,205.26/16,807.88 = 3,909.26/x
  3. Step 3: Cross multiply
    11,205.26x = 16,807.88 × 3,909.26
  4. Step 4: Simplify right side
    11,205.26x = 65,706,372.97
  5. Step 5: Solve for x
    x = 65,706,372.97/11,205.26
  6. Step 6: Final answer
    x = 5,863.89

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1.5x scale

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.