Home / 13,974.48-19,286.04-8,006.64

Finding the Fourth Proportional to 13,974.48, 19,286.04 and 8,006.64

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Solution

The fourth proportional to 13,974.48, 19,286.04 and 8,006.64 is: 11,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.48 : 19,286.04 = 8,006.64 : x
  2. Step 2: Convert to fraction form
    13,974.48/19,286.04 = 8,006.64/x
  3. Step 3: Cross multiply
    13,974.48x = 19,286.04 × 8,006.64
  4. Step 4: Simplify right side
    13,974.48x = 154,416,379.31
  5. Step 5: Solve for x
    x = 154,416,379.31/13,974.48
  6. Step 6: Final answer
    x = 11,049.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.