Home / 11,086.26-16,629.40-2,878.26

Finding the Fourth Proportional to 11,086.26, 16,629.40 and 2,878.26

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Solution

The fourth proportional to 11,086.26, 16,629.40 and 2,878.26 is: 4,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.26 : 16,629.40 = 2,878.26 : x
  2. Step 2: Convert to fraction form
    11,086.26/16,629.40 = 2,878.26/x
  3. Step 3: Cross multiply
    11,086.26x = 16,629.40 × 2,878.26
  4. Step 4: Simplify right side
    11,086.26x = 47,863,736.84
  5. Step 5: Solve for x
    x = 47,863,736.84/11,086.26
  6. Step 6: Final answer
    x = 4,317.39

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Similar ratio
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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.