Home / 13,410.58-20,118.19-5,517.43

Finding the Fourth Proportional to 13,410.58, 20,118.19 and 5,517.43

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Solution

The fourth proportional to 13,410.58, 20,118.19 and 5,517.43 is: 8,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.58 : 20,118.19 = 5,517.43 : x
  2. Step 2: Convert to fraction form
    13,410.58/20,118.19 = 5,517.43/x
  3. Step 3: Cross multiply
    13,410.58x = 20,118.19 × 5,517.43
  4. Step 4: Simplify right side
    13,410.58x = 111,000,764.47
  5. Step 5: Solve for x
    x = 111,000,764.47/13,410.58
  6. Step 6: Final answer
    x = 8,277.10

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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.