Home / 11,236.81-16,865.56-5,694.02

Finding the Fourth Proportional to 11,236.81, 16,865.56 and 5,694.02

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Solution

The fourth proportional to 11,236.81, 16,865.56 and 5,694.02 is: 8,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.81 : 16,865.56 = 5,694.02 : x
  2. Step 2: Convert to fraction form
    11,236.81/16,865.56 = 5,694.02/x
  3. Step 3: Cross multiply
    11,236.81x = 16,865.56 × 5,694.02
  4. Step 4: Simplify right side
    11,236.81x = 96,032,751.62
  5. Step 5: Solve for x
    x = 96,032,751.62/11,236.81
  6. Step 6: Final answer
    x = 8,546.27

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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.