Home / 13,944.26-19,244.42-7,974.77

Finding the Fourth Proportional to 13,944.26, 19,244.42 and 7,974.77

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Solution

The fourth proportional to 13,944.26, 19,244.42 and 7,974.77 is: 11,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.26 : 19,244.42 = 7,974.77 : x
  2. Step 2: Convert to fraction form
    13,944.26/19,244.42 = 7,974.77/x
  3. Step 3: Cross multiply
    13,944.26x = 19,244.42 × 7,974.77
  4. Step 4: Simplify right side
    13,944.26x = 153,469,717.09
  5. Step 5: Solve for x
    x = 153,469,717.09/13,944.26
  6. Step 6: Final answer
    x = 11,005.94

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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.