Home / 13,086.09-19,629.14-3,225.56

Finding the Fourth Proportional to 13,086.09, 19,629.14 and 3,225.56

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Solution

The fourth proportional to 13,086.09, 19,629.14 and 3,225.56 is: 4,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.09 : 19,629.14 = 3,225.56 : x
  2. Step 2: Convert to fraction form
    13,086.09/19,629.14 = 3,225.56/x
  3. Step 3: Cross multiply
    13,086.09x = 19,629.14 × 3,225.56
  4. Step 4: Simplify right side
    13,086.09x = 63,314,854.54
  5. Step 5: Solve for x
    x = 63,314,854.54/13,086.09
  6. Step 6: Final answer
    x = 4,838.33

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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.