Home / 11,186.24-16,781.78-3,395.68

Finding the Fourth Proportional to 11,186.24, 16,781.78 and 3,395.68

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Solution

The fourth proportional to 11,186.24, 16,781.78 and 3,395.68 is: 5,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.24 : 16,781.78 = 3,395.68 : x
  2. Step 2: Convert to fraction form
    11,186.24/16,781.78 = 3,395.68/x
  3. Step 3: Cross multiply
    11,186.24x = 16,781.78 × 3,395.68
  4. Step 4: Simplify right side
    11,186.24x = 56,985,554.71
  5. Step 5: Solve for x
    x = 56,985,554.71/11,186.24
  6. Step 6: Final answer
    x = 5,094.25

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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.