Home / 13,326.41-19,986.22-3,964.33

Finding the Fourth Proportional to 13,326.41, 19,986.22 and 3,964.33

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Solution

The fourth proportional to 13,326.41, 19,986.22 and 3,964.33 is: 5,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.41 : 19,986.22 = 3,964.33 : x
  2. Step 2: Convert to fraction form
    13,326.41/19,986.22 = 3,964.33/x
  3. Step 3: Cross multiply
    13,326.41x = 19,986.22 × 3,964.33
  4. Step 4: Simplify right side
    13,326.41x = 79,231,971.53
  5. Step 5: Solve for x
    x = 79,231,971.53/13,326.41
  6. Step 6: Final answer
    x = 5,945.49

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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.