Home / 11,236.07-16,857.70-5,393.09

Finding the Fourth Proportional to 11,236.07, 16,857.70 and 5,393.09

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Solution

The fourth proportional to 11,236.07, 16,857.70 and 5,393.09 is: 8,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.07 : 16,857.70 = 5,393.09 : x
  2. Step 2: Convert to fraction form
    11,236.07/16,857.70 = 5,393.09/x
  3. Step 3: Cross multiply
    11,236.07x = 16,857.70 × 5,393.09
  4. Step 4: Simplify right side
    11,236.07x = 90,914,995.52
  5. Step 5: Solve for x
    x = 90,914,995.52/11,236.07
  6. Step 6: Final answer
    x = 8,091.36

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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.