Home / 11,816.26-16,305.71-6,511.09

Finding the Fourth Proportional to 11,816.26, 16,305.71 and 6,511.09

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Solution

The fourth proportional to 11,816.26, 16,305.71 and 6,511.09 is: 8,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.26 : 16,305.71 = 6,511.09 : x
  2. Step 2: Convert to fraction form
    11,816.26/16,305.71 = 6,511.09/x
  3. Step 3: Cross multiply
    11,816.26x = 16,305.71 × 6,511.09
  4. Step 4: Simplify right side
    11,816.26x = 106,167,948.44
  5. Step 5: Solve for x
    x = 106,167,948.44/11,816.26
  6. Step 6: Final answer
    x = 8,984.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.