Home / 12,019.04-18,027.84-3,811.04

Finding the Fourth Proportional to 12,019.04, 18,027.84 and 3,811.04

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Solution

The fourth proportional to 12,019.04, 18,027.84 and 3,811.04 is: 5,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.04 : 18,027.84 = 3,811.04 : x
  2. Step 2: Convert to fraction form
    12,019.04/18,027.84 = 3,811.04/x
  3. Step 3: Cross multiply
    12,019.04x = 18,027.84 × 3,811.04
  4. Step 4: Simplify right side
    12,019.04x = 68,704,819.35
  5. Step 5: Solve for x
    x = 68,704,819.35/12,019.04
  6. Step 6: Final answer
    x = 5,716.33

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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.