Home / 13,274.44-19,911.71-3,914.57

Finding the Fourth Proportional to 13,274.44, 19,911.71 and 3,914.57

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Solution

The fourth proportional to 13,274.44, 19,911.71 and 3,914.57 is: 5,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.44 : 19,911.71 = 3,914.57 : x
  2. Step 2: Convert to fraction form
    13,274.44/19,911.71 = 3,914.57/x
  3. Step 3: Cross multiply
    13,274.44x = 19,911.71 × 3,914.57
  4. Step 4: Simplify right side
    13,274.44x = 77,945,782.61
  5. Step 5: Solve for x
    x = 77,945,782.61/13,274.44
  6. Step 6: Final answer
    x = 5,871.87

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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.