Home / 11,272.23-16,908.62-3,877.07

Finding the Fourth Proportional to 11,272.23, 16,908.62 and 3,877.07

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Solution

The fourth proportional to 11,272.23, 16,908.62 and 3,877.07 is: 5,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.23 : 16,908.62 = 3,877.07 : x
  2. Step 2: Convert to fraction form
    11,272.23/16,908.62 = 3,877.07/x
  3. Step 3: Cross multiply
    11,272.23x = 16,908.62 × 3,877.07
  4. Step 4: Simplify right side
    11,272.23x = 65,555,799.41
  5. Step 5: Solve for x
    x = 65,555,799.41/11,272.23
  6. Step 6: Final answer
    x = 5,815.69

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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.