Home / 10,914.14-16,371.82-3,122.75

Finding the Fourth Proportional to 10,914.14, 16,371.82 and 3,122.75

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Solution

The fourth proportional to 10,914.14, 16,371.82 and 3,122.75 is: 4,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.14 : 16,371.82 = 3,122.75 : x
  2. Step 2: Convert to fraction form
    10,914.14/16,371.82 = 3,122.75/x
  3. Step 3: Cross multiply
    10,914.14x = 16,371.82 × 3,122.75
  4. Step 4: Simplify right side
    10,914.14x = 51,125,100.91
  5. Step 5: Solve for x
    x = 51,125,100.91/10,914.14
  6. Step 6: Final answer
    x = 4,684.30

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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.