Home / 12,019.53-18,027.77-3,699.52

Finding the Fourth Proportional to 12,019.53, 18,027.77 and 3,699.52

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Solution

The fourth proportional to 12,019.53, 18,027.77 and 3,699.52 is: 5,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.53 : 18,027.77 = 3,699.52 : x
  2. Step 2: Convert to fraction form
    12,019.53/18,027.77 = 3,699.52/x
  3. Step 3: Cross multiply
    12,019.53x = 18,027.77 × 3,699.52
  4. Step 4: Simplify right side
    12,019.53x = 66,694,059.85
  5. Step 5: Solve for x
    x = 66,694,059.85/12,019.53
  6. Step 6: Final answer
    x = 5,548.81

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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.