Home / 19,754.68-27,261.75-13,383.22

Finding the Fourth Proportional to 19,754.68, 27,261.75 and 13,383.22

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Solution

The fourth proportional to 19,754.68, 27,261.75 and 13,383.22 is: 18,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.68 : 27,261.75 = 13,383.22 : x
  2. Step 2: Convert to fraction form
    19,754.68/27,261.75 = 13,383.22/x
  3. Step 3: Cross multiply
    19,754.68x = 27,261.75 × 13,383.22
  4. Step 4: Simplify right side
    19,754.68x = 364,849,997.84
  5. Step 5: Solve for x
    x = 364,849,997.84/19,754.68
  6. Step 6: Final answer
    x = 18,469.04

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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.