Home / 11,186.50-16,781.37-3,395.32

Finding the Fourth Proportional to 11,186.50, 16,781.37 and 3,395.32

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Solution

The fourth proportional to 11,186.50, 16,781.37 and 3,395.32 is: 5,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.50 : 16,781.37 = 3,395.32 : x
  2. Step 2: Convert to fraction form
    11,186.50/16,781.37 = 3,395.32/x
  3. Step 3: Cross multiply
    11,186.50x = 16,781.37 × 3,395.32
  4. Step 4: Simplify right side
    11,186.50x = 56,978,121.19
  5. Step 5: Solve for x
    x = 56,978,121.19/11,186.50
  6. Step 6: Final answer
    x = 5,093.47

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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.