Home / 18,238.10-27,279.38-11,200.82

Finding the Fourth Proportional to 18,238.10, 27,279.38 and 11,200.82

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Solution

The fourth proportional to 18,238.10, 27,279.38 and 11,200.82 is: 16,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.10 : 27,279.38 = 11,200.82 : x
  2. Step 2: Convert to fraction form
    18,238.10/27,279.38 = 11,200.82/x
  3. Step 3: Cross multiply
    18,238.10x = 27,279.38 × 11,200.82
  4. Step 4: Simplify right side
    18,238.10x = 305,551,316.70
  5. Step 5: Solve for x
    x = 305,551,316.70/18,238.10
  6. Step 6: Final answer
    x = 16,753.47

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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.