Home / 13,898.22-20,850.42-6,498.66

Finding the Fourth Proportional to 13,898.22, 20,850.42 and 6,498.66

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Solution

The fourth proportional to 13,898.22, 20,850.42 and 6,498.66 is: 9,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.22 : 20,850.42 = 6,498.66 : x
  2. Step 2: Convert to fraction form
    13,898.22/20,850.42 = 6,498.66/x
  3. Step 3: Cross multiply
    13,898.22x = 20,850.42 × 6,498.66
  4. Step 4: Simplify right side
    13,898.22x = 135,499,790.44
  5. Step 5: Solve for x
    x = 135,499,790.44/13,898.22
  6. Step 6: Final answer
    x = 9,749.43

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1.5x scale

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.