Home / 13,906.54-20,863.22-4,045.90

Finding the Fourth Proportional to 13,906.54, 20,863.22 and 4,045.90

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Solution

The fourth proportional to 13,906.54, 20,863.22 and 4,045.90 is: 6,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.54 : 20,863.22 = 4,045.90 : x
  2. Step 2: Convert to fraction form
    13,906.54/20,863.22 = 4,045.90/x
  3. Step 3: Cross multiply
    13,906.54x = 20,863.22 × 4,045.90
  4. Step 4: Simplify right side
    13,906.54x = 84,410,491.29
  5. Step 5: Solve for x
    x = 84,410,491.29/13,906.54
  6. Step 6: Final answer
    x = 6,069.84

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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.