Home / 20,793.24-28,692.18-11,840.76

Finding the Fourth Proportional to 20,793.24, 28,692.18 and 11,840.76

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Solution

The fourth proportional to 20,793.24, 28,692.18 and 11,840.76 is: 16,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.24 : 28,692.18 = 11,840.76 : x
  2. Step 2: Convert to fraction form
    20,793.24/28,692.18 = 11,840.76/x
  3. Step 3: Cross multiply
    20,793.24x = 28,692.18 × 11,840.76
  4. Step 4: Simplify right side
    20,793.24x = 339,737,217.26
  5. Step 5: Solve for x
    x = 339,737,217.26/20,793.24
  6. Step 6: Final answer
    x = 16,338.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.