Home / 12,692.24-19,049.30-8,799.38

Finding the Fourth Proportional to 12,692.24, 19,049.30 and 8,799.38

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Solution

The fourth proportional to 12,692.24, 19,049.30 and 8,799.38 is: 13,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.24 : 19,049.30 = 8,799.38 : x
  2. Step 2: Convert to fraction form
    12,692.24/19,049.30 = 8,799.38/x
  3. Step 3: Cross multiply
    12,692.24x = 19,049.30 × 8,799.38
  4. Step 4: Simplify right side
    12,692.24x = 167,622,029.43
  5. Step 5: Solve for x
    x = 167,622,029.43/12,692.24
  6. Step 6: Final answer
    x = 13,206.65

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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.