Home / 11,786.26-17,686.28-4,395.82

Finding the Fourth Proportional to 11,786.26, 17,686.28 and 4,395.82

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Solution

The fourth proportional to 11,786.26, 17,686.28 and 4,395.82 is: 6,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.26 : 17,686.28 = 4,395.82 : x
  2. Step 2: Convert to fraction form
    11,786.26/17,686.28 = 4,395.82/x
  3. Step 3: Cross multiply
    11,786.26x = 17,686.28 × 4,395.82
  4. Step 4: Simplify right side
    11,786.26x = 77,745,703.35
  5. Step 5: Solve for x
    x = 77,745,703.35/11,786.26
  6. Step 6: Final answer
    x = 6,596.30

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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.