Home / 12,201.98-16,838.55-6,896.61

Finding the Fourth Proportional to 12,201.98, 16,838.55 and 6,896.61

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Solution

The fourth proportional to 12,201.98, 16,838.55 and 6,896.61 is: 9,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.98 : 16,838.55 = 6,896.61 : x
  2. Step 2: Convert to fraction form
    12,201.98/16,838.55 = 6,896.61/x
  3. Step 3: Cross multiply
    12,201.98x = 16,838.55 × 6,896.61
  4. Step 4: Simplify right side
    12,201.98x = 116,128,912.32
  5. Step 5: Solve for x
    x = 116,128,912.32/12,201.98
  6. Step 6: Final answer
    x = 9,517.22

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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.