Home / 11,969.32-16,517.22-6,664.36

Finding the Fourth Proportional to 11,969.32, 16,517.22 and 6,664.36

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Solution

The fourth proportional to 11,969.32, 16,517.22 and 6,664.36 is: 9,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.32 : 16,517.22 = 6,664.36 : x
  2. Step 2: Convert to fraction form
    11,969.32/16,517.22 = 6,664.36/x
  3. Step 3: Cross multiply
    11,969.32x = 16,517.22 × 6,664.36
  4. Step 4: Simplify right side
    11,969.32x = 110,076,700.28
  5. Step 5: Solve for x
    x = 110,076,700.28/11,969.32
  6. Step 6: Final answer
    x = 9,196.57

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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.