Home / 13,557.05-20,334.98-3,696.33

Finding the Fourth Proportional to 13,557.05, 20,334.98 and 3,696.33

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Solution

The fourth proportional to 13,557.05, 20,334.98 and 3,696.33 is: 5,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.05 : 20,334.98 = 3,696.33 : x
  2. Step 2: Convert to fraction form
    13,557.05/20,334.98 = 3,696.33/x
  3. Step 3: Cross multiply
    13,557.05x = 20,334.98 × 3,696.33
  4. Step 4: Simplify right side
    13,557.05x = 75,164,778.14
  5. Step 5: Solve for x
    x = 75,164,778.14/13,557.05
  6. Step 6: Final answer
    x = 5,544.33

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1.5x scale

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.