Home / 10,481.09-15,722.30-3,905.06

Finding the Fourth Proportional to 10,481.09, 15,722.30 and 3,905.06

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Solution

The fourth proportional to 10,481.09, 15,722.30 and 3,905.06 is: 5,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.09 : 15,722.30 = 3,905.06 : x
  2. Step 2: Convert to fraction form
    10,481.09/15,722.30 = 3,905.06/x
  3. Step 3: Cross multiply
    10,481.09x = 15,722.30 × 3,905.06
  4. Step 4: Simplify right side
    10,481.09x = 61,396,426.70
  5. Step 5: Solve for x
    x = 61,396,426.70/10,481.09
  6. Step 6: Final answer
    x = 5,857.83

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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.