Home / 13,669.72-20,500.26-4,904.44

Finding the Fourth Proportional to 13,669.72, 20,500.26 and 4,904.44

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Solution

The fourth proportional to 13,669.72, 20,500.26 and 4,904.44 is: 7,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.72 : 20,500.26 = 4,904.44 : x
  2. Step 2: Convert to fraction form
    13,669.72/20,500.26 = 4,904.44/x
  3. Step 3: Cross multiply
    13,669.72x = 20,500.26 × 4,904.44
  4. Step 4: Simplify right side
    13,669.72x = 100,542,295.15
  5. Step 5: Solve for x
    x = 100,542,295.15/13,669.72
  6. Step 6: Final answer
    x = 7,355.11

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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.