Home / 12,976.14-19,416.96-11,241.39

Finding the Fourth Proportional to 12,976.14, 19,416.96 and 11,241.39

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Solution

The fourth proportional to 12,976.14, 19,416.96 and 11,241.39 is: 16,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.14 : 19,416.96 = 11,241.39 : x
  2. Step 2: Convert to fraction form
    12,976.14/19,416.96 = 11,241.39/x
  3. Step 3: Cross multiply
    12,976.14x = 19,416.96 × 11,241.39
  4. Step 4: Simplify right side
    12,976.14x = 218,273,619.97
  5. Step 5: Solve for x
    x = 218,273,619.97/12,976.14
  6. Step 6: Final answer
    x = 16,821.15

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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.