Home / 11,371.75-17,055.78-8,074.87

Finding the Fourth Proportional to 11,371.75, 17,055.78 and 8,074.87

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Solution

The fourth proportional to 11,371.75, 17,055.78 and 8,074.87 is: 12,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.75 : 17,055.78 = 8,074.87 : x
  2. Step 2: Convert to fraction form
    11,371.75/17,055.78 = 8,074.87/x
  3. Step 3: Cross multiply
    11,371.75x = 17,055.78 × 8,074.87
  4. Step 4: Simplify right side
    11,371.75x = 137,723,206.25
  5. Step 5: Solve for x
    x = 137,723,206.25/11,371.75
  6. Step 6: Final answer
    x = 12,110.99

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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.