Home / 18,542.20-27,817.86-5,394.69

Finding the Fourth Proportional to 18,542.20, 27,817.86 and 5,394.69

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Solution

The fourth proportional to 18,542.20, 27,817.86 and 5,394.69 is: 8,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.20 : 27,817.86 = 5,394.69 : x
  2. Step 2: Convert to fraction form
    18,542.20/27,817.86 = 5,394.69/x
  3. Step 3: Cross multiply
    18,542.20x = 27,817.86 × 5,394.69
  4. Step 4: Simplify right side
    18,542.20x = 150,068,731.16
  5. Step 5: Solve for x
    x = 150,068,731.16/18,542.20
  6. Step 6: Final answer
    x = 8,093.36

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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.