Home / 11,360.36-17,040.64-3,964.80

Finding the Fourth Proportional to 11,360.36, 17,040.64 and 3,964.80

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Solution

The fourth proportional to 11,360.36, 17,040.64 and 3,964.80 is: 5,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.36 : 17,040.64 = 3,964.80 : x
  2. Step 2: Convert to fraction form
    11,360.36/17,040.64 = 3,964.80/x
  3. Step 3: Cross multiply
    11,360.36x = 17,040.64 × 3,964.80
  4. Step 4: Simplify right side
    11,360.36x = 67,562,729.47
  5. Step 5: Solve for x
    x = 67,562,729.47/11,360.36
  6. Step 6: Final answer
    x = 5,947.23

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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.