Home / 11,178.98-16,770.31-3,385.97

Finding the Fourth Proportional to 11,178.98, 16,770.31 and 3,385.97

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Solution

The fourth proportional to 11,178.98, 16,770.31 and 3,385.97 is: 5,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.98 : 16,770.31 = 3,385.97 : x
  2. Step 2: Convert to fraction form
    11,178.98/16,770.31 = 3,385.97/x
  3. Step 3: Cross multiply
    11,178.98x = 16,770.31 × 3,385.97
  4. Step 4: Simplify right side
    11,178.98x = 56,783,737.12
  5. Step 5: Solve for x
    x = 56,783,737.12/11,178.98
  6. Step 6: Final answer
    x = 5,079.51

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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.