Home / 13,131.27-19,696.93-3,897.27

Finding the Fourth Proportional to 13,131.27, 19,696.93 and 3,897.27

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Solution

The fourth proportional to 13,131.27, 19,696.93 and 3,897.27 is: 5,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.27 : 19,696.93 = 3,897.27 : x
  2. Step 2: Convert to fraction form
    13,131.27/19,696.93 = 3,897.27/x
  3. Step 3: Cross multiply
    13,131.27x = 19,696.93 × 3,897.27
  4. Step 4: Simplify right side
    13,131.27x = 76,764,244.64
  5. Step 5: Solve for x
    x = 76,764,244.64/13,131.27
  6. Step 6: Final answer
    x = 5,845.91

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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.