Home / 11,728.20-16,184.04-6,692.28

Finding the Fourth Proportional to 11,728.20, 16,184.04 and 6,692.28

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Solution

The fourth proportional to 11,728.20, 16,184.04 and 6,692.28 is: 9,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.20 : 16,184.04 = 6,692.28 : x
  2. Step 2: Convert to fraction form
    11,728.20/16,184.04 = 6,692.28/x
  3. Step 3: Cross multiply
    11,728.20x = 16,184.04 × 6,692.28
  4. Step 4: Simplify right side
    11,728.20x = 108,308,127.21
  5. Step 5: Solve for x
    x = 108,308,127.21/11,728.20
  6. Step 6: Final answer
    x = 9,234.85

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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.