Home / 19,910.94-27,476.49-10,958.43

Finding the Fourth Proportional to 19,910.94, 27,476.49 and 10,958.43

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Solution

The fourth proportional to 19,910.94, 27,476.49 and 10,958.43 is: 15,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.94 : 27,476.49 = 10,958.43 : x
  2. Step 2: Convert to fraction form
    19,910.94/27,476.49 = 10,958.43/x
  3. Step 3: Cross multiply
    19,910.94x = 27,476.49 × 10,958.43
  4. Step 4: Simplify right side
    19,910.94x = 301,099,192.31
  5. Step 5: Solve for x
    x = 301,099,192.31/19,910.94
  6. Step 6: Final answer
    x = 15,122.30

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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.