Home / 11,905.23-17,866.04-5,338.76

Finding the Fourth Proportional to 11,905.23, 17,866.04 and 5,338.76

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Solution

The fourth proportional to 11,905.23, 17,866.04 and 5,338.76 is: 8,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.23 : 17,866.04 = 5,338.76 : x
  2. Step 2: Convert to fraction form
    11,905.23/17,866.04 = 5,338.76/x
  3. Step 3: Cross multiply
    11,905.23x = 17,866.04 × 5,338.76
  4. Step 4: Simplify right side
    11,905.23x = 95,382,383.69
  5. Step 5: Solve for x
    x = 95,382,383.69/11,905.23
  6. Step 6: Final answer
    x = 8,011.81

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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.