Home / 13,794.42-20,685.48-3,931.37

Finding the Fourth Proportional to 13,794.42, 20,685.48 and 3,931.37

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Solution

The fourth proportional to 13,794.42, 20,685.48 and 3,931.37 is: 5,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.42 : 20,685.48 = 3,931.37 : x
  2. Step 2: Convert to fraction form
    13,794.42/20,685.48 = 3,931.37/x
  3. Step 3: Cross multiply
    13,794.42x = 20,685.48 × 3,931.37
  4. Step 4: Simplify right side
    13,794.42x = 81,322,172.08
  5. Step 5: Solve for x
    x = 81,322,172.08/13,794.42
  6. Step 6: Final answer
    x = 5,895.29

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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.