Home / 13,766.05-20,650.44-4,403.72

Finding the Fourth Proportional to 13,766.05, 20,650.44 and 4,403.72

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Solution

The fourth proportional to 13,766.05, 20,650.44 and 4,403.72 is: 6,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.05 : 20,650.44 = 4,403.72 : x
  2. Step 2: Convert to fraction form
    13,766.05/20,650.44 = 4,403.72/x
  3. Step 3: Cross multiply
    13,766.05x = 20,650.44 × 4,403.72
  4. Step 4: Simplify right side
    13,766.05x = 90,938,755.64
  5. Step 5: Solve for x
    x = 90,938,755.64/13,766.05
  6. Step 6: Final answer
    x = 6,606.02

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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.