Home / 11,204.60-16,843.35-7,940.30

Finding the Fourth Proportional to 11,204.60, 16,843.35 and 7,940.30

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Solution

The fourth proportional to 11,204.60, 16,843.35 and 7,940.30 is: 11,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.60 : 16,843.35 = 7,940.30 : x
  2. Step 2: Convert to fraction form
    11,204.60/16,843.35 = 7,940.30/x
  3. Step 3: Cross multiply
    11,204.60x = 16,843.35 × 7,940.30
  4. Step 4: Simplify right side
    11,204.60x = 133,741,252.01
  5. Step 5: Solve for x
    x = 133,741,252.01/11,204.60
  6. Step 6: Final answer
    x = 11,936.28

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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.