Home / 18,390.28-27,560.82-6,692.44

Finding the Fourth Proportional to 18,390.28, 27,560.82 and 6,692.44

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Solution

The fourth proportional to 18,390.28, 27,560.82 and 6,692.44 is: 10,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.28 : 27,560.82 = 6,692.44 : x
  2. Step 2: Convert to fraction form
    18,390.28/27,560.82 = 6,692.44/x
  3. Step 3: Cross multiply
    18,390.28x = 27,560.82 × 6,692.44
  4. Step 4: Simplify right side
    18,390.28x = 184,449,134.20
  5. Step 5: Solve for x
    x = 184,449,134.20/18,390.28
  6. Step 6: Final answer
    x = 10,029.71

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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.