Home / 13,493.58-20,240.39-3,633.85

Finding the Fourth Proportional to 13,493.58, 20,240.39 and 3,633.85

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Solution

The fourth proportional to 13,493.58, 20,240.39 and 3,633.85 is: 5,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.58 : 20,240.39 = 3,633.85 : x
  2. Step 2: Convert to fraction form
    13,493.58/20,240.39 = 3,633.85/x
  3. Step 3: Cross multiply
    13,493.58x = 20,240.39 × 3,633.85
  4. Step 4: Simplify right side
    13,493.58x = 73,550,541.20
  5. Step 5: Solve for x
    x = 73,550,541.20/13,493.58
  6. Step 6: Final answer
    x = 5,450.78

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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.