Home / 11,786.65-17,678.76-3,995.26

Finding the Fourth Proportional to 11,786.65, 17,678.76 and 3,995.26

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Solution

The fourth proportional to 11,786.65, 17,678.76 and 3,995.26 is: 5,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.65 : 17,678.76 = 3,995.26 : x
  2. Step 2: Convert to fraction form
    11,786.65/17,678.76 = 3,995.26/x
  3. Step 3: Cross multiply
    11,786.65x = 17,678.76 × 3,995.26
  4. Step 4: Simplify right side
    11,786.65x = 70,631,242.68
  5. Step 5: Solve for x
    x = 70,631,242.68/11,786.65
  6. Step 6: Final answer
    x = 5,992.48

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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.