Home / 13,650.20-20,473.26-3,788.44

Finding the Fourth Proportional to 13,650.20, 20,473.26 and 3,788.44

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Solution

The fourth proportional to 13,650.20, 20,473.26 and 3,788.44 is: 5,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.20 : 20,473.26 = 3,788.44 : x
  2. Step 2: Convert to fraction form
    13,650.20/20,473.26 = 3,788.44/x
  3. Step 3: Cross multiply
    13,650.20x = 20,473.26 × 3,788.44
  4. Step 4: Simplify right side
    13,650.20x = 77,561,717.11
  5. Step 5: Solve for x
    x = 77,561,717.11/13,650.20
  6. Step 6: Final answer
    x = 5,682.09

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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.