Home / 11,786.09-16,264.80-6,481.26

Finding the Fourth Proportional to 11,786.09, 16,264.80 and 6,481.26

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Solution

The fourth proportional to 11,786.09, 16,264.80 and 6,481.26 is: 8,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.09 : 16,264.80 = 6,481.26 : x
  2. Step 2: Convert to fraction form
    11,786.09/16,264.80 = 6,481.26/x
  3. Step 3: Cross multiply
    11,786.09x = 16,264.80 × 6,481.26
  4. Step 4: Simplify right side
    11,786.09x = 105,416,397.65
  5. Step 5: Solve for x
    x = 105,416,397.65/11,786.09
  6. Step 6: Final answer
    x = 8,944.14

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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.