Home / 11,685.97-16,127.22-6,650.66

Finding the Fourth Proportional to 11,685.97, 16,127.22 and 6,650.66

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Solution

The fourth proportional to 11,685.97, 16,127.22 and 6,650.66 is: 9,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.97 : 16,127.22 = 6,650.66 : x
  2. Step 2: Convert to fraction form
    11,685.97/16,127.22 = 6,650.66/x
  3. Step 3: Cross multiply
    11,685.97x = 16,127.22 × 6,650.66
  4. Step 4: Simplify right side
    11,685.97x = 107,256,594.10
  5. Step 5: Solve for x
    x = 107,256,594.10/11,685.97
  6. Step 6: Final answer
    x = 9,178.24

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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.