Home / 11,761.40-17,629.80-3,967.52

Finding the Fourth Proportional to 11,761.40, 17,629.80 and 3,967.52

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Solution

The fourth proportional to 11,761.40, 17,629.80 and 3,967.52 is: 5,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.40 : 17,629.80 = 3,967.52 : x
  2. Step 2: Convert to fraction form
    11,761.40/17,629.80 = 3,967.52/x
  3. Step 3: Cross multiply
    11,761.40x = 17,629.80 × 3,967.52
  4. Step 4: Simplify right side
    11,761.40x = 69,946,584.10
  5. Step 5: Solve for x
    x = 69,946,584.10/11,761.40
  6. Step 6: Final answer
    x = 5,947.13

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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.