Home / 13,930.44-20,898.90-4,069.86

Finding the Fourth Proportional to 13,930.44, 20,898.90 and 4,069.86

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Solution

The fourth proportional to 13,930.44, 20,898.90 and 4,069.86 is: 6,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.44 : 20,898.90 = 4,069.86 : x
  2. Step 2: Convert to fraction form
    13,930.44/20,898.90 = 4,069.86/x
  3. Step 3: Cross multiply
    13,930.44x = 20,898.90 × 4,069.86
  4. Step 4: Simplify right side
    13,930.44x = 85,055,597.15
  5. Step 5: Solve for x
    x = 85,055,597.15/13,930.44
  6. Step 6: Final answer
    x = 6,105.74

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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.