Home / 11,971.77-16,519.37-6,936.44

Finding the Fourth Proportional to 11,971.77, 16,519.37 and 6,936.44

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Solution

The fourth proportional to 11,971.77, 16,519.37 and 6,936.44 is: 9,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.77 : 16,519.37 = 6,936.44 : x
  2. Step 2: Convert to fraction form
    11,971.77/16,519.37 = 6,936.44/x
  3. Step 3: Cross multiply
    11,971.77x = 16,519.37 × 6,936.44
  4. Step 4: Simplify right side
    11,971.77x = 114,585,521.07
  5. Step 5: Solve for x
    x = 114,585,521.07/11,971.77
  6. Step 6: Final answer
    x = 9,571.31

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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.