Home / 36,156.43-54,239.87-11,198.40

Finding the Fourth Proportional to 36,156.43, 54,239.87 and 11,198.40

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Solution

The fourth proportional to 36,156.43, 54,239.87 and 11,198.40 is: 16,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156.43 : 54,239.87 = 11,198.40 : x
  2. Step 2: Convert to fraction form
    36,156.43/54,239.87 = 11,198.40/x
  3. Step 3: Cross multiply
    36,156.43x = 54,239.87 × 11,198.40
  4. Step 4: Simplify right side
    36,156.43x = 607,399,760.21
  5. Step 5: Solve for x
    x = 607,399,760.21/36,156.43
  6. Step 6: Final answer
    x = 16,799.22

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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.