Home / 19,974.60-29,904.30-12,198.60

Finding the Fourth Proportional to 19,974.60, 29,904.30 and 12,198.60

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Solution

The fourth proportional to 19,974.60, 29,904.30 and 12,198.60 is: 18,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.60 : 29,904.30 = 12,198.60 : x
  2. Step 2: Convert to fraction form
    19,974.60/29,904.30 = 12,198.60/x
  3. Step 3: Cross multiply
    19,974.60x = 29,904.30 × 12,198.60
  4. Step 4: Simplify right side
    19,974.60x = 364,790,593.98
  5. Step 5: Solve for x
    x = 364,790,593.98/19,974.60
  6. Step 6: Final answer
    x = 18,262.72

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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.