Home / 11,764.14-17,639.19-3,971.94

Finding the Fourth Proportional to 11,764.14, 17,639.19 and 3,971.94

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Solution

The fourth proportional to 11,764.14, 17,639.19 and 3,971.94 is: 5,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.14 : 17,639.19 = 3,971.94 : x
  2. Step 2: Convert to fraction form
    11,764.14/17,639.19 = 3,971.94/x
  3. Step 3: Cross multiply
    11,764.14x = 17,639.19 × 3,971.94
  4. Step 4: Simplify right side
    11,764.14x = 70,061,804.33
  5. Step 5: Solve for x
    x = 70,061,804.33/11,764.14
  6. Step 6: Final answer
    x = 5,955.54

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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.