Home / 19,738.43-27,238.44-11,785.97

Finding the Fourth Proportional to 19,738.43, 27,238.44 and 11,785.97

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Solution

The fourth proportional to 19,738.43, 27,238.44 and 11,785.97 is: 16,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.43 : 27,238.44 = 11,785.97 : x
  2. Step 2: Convert to fraction form
    19,738.43/27,238.44 = 11,785.97/x
  3. Step 3: Cross multiply
    19,738.43x = 27,238.44 × 11,785.97
  4. Step 4: Simplify right side
    19,738.43x = 321,031,436.69
  5. Step 5: Solve for x
    x = 321,031,436.69/19,738.43
  6. Step 6: Final answer
    x = 16,264.28

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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.