Home / 13,696.82-20,535.95-5,371.64

Finding the Fourth Proportional to 13,696.82, 20,535.95 and 5,371.64

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Solution

The fourth proportional to 13,696.82, 20,535.95 and 5,371.64 is: 8,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.82 : 20,535.95 = 5,371.64 : x
  2. Step 2: Convert to fraction form
    13,696.82/20,535.95 = 5,371.64/x
  3. Step 3: Cross multiply
    13,696.82x = 20,535.95 × 5,371.64
  4. Step 4: Simplify right side
    13,696.82x = 110,311,600.92
  5. Step 5: Solve for x
    x = 110,311,600.92/13,696.82
  6. Step 6: Final answer
    x = 8,053.81

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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.