Home / 11,414.88-17,127.75-7,910.28

Finding the Fourth Proportional to 11,414.88, 17,127.75 and 7,910.28

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Solution

The fourth proportional to 11,414.88, 17,127.75 and 7,910.28 is: 11,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.88 : 17,127.75 = 7,910.28 : x
  2. Step 2: Convert to fraction form
    11,414.88/17,127.75 = 7,910.28/x
  3. Step 3: Cross multiply
    11,414.88x = 17,127.75 × 7,910.28
  4. Step 4: Simplify right side
    11,414.88x = 135,485,225.79
  5. Step 5: Solve for x
    x = 135,485,225.79/11,414.88
  6. Step 6: Final answer
    x = 11,869.18

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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.