Home / 11,273.91-16,911.25-3,878.31

Finding the Fourth Proportional to 11,273.91, 16,911.25 and 3,878.31

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Solution

The fourth proportional to 11,273.91, 16,911.25 and 3,878.31 is: 5,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.91 : 16,911.25 = 3,878.31 : x
  2. Step 2: Convert to fraction form
    11,273.91/16,911.25 = 3,878.31/x
  3. Step 3: Cross multiply
    11,273.91x = 16,911.25 × 3,878.31
  4. Step 4: Simplify right side
    11,273.91x = 65,587,069.99
  5. Step 5: Solve for x
    x = 65,587,069.99/11,273.91
  6. Step 6: Final answer
    x = 5,817.60

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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.