Home / 11,128.46-16,692.24-4,105.43

Finding the Fourth Proportional to 11,128.46, 16,692.24 and 4,105.43

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Solution

The fourth proportional to 11,128.46, 16,692.24 and 4,105.43 is: 6,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.46 : 16,692.24 = 4,105.43 : x
  2. Step 2: Convert to fraction form
    11,128.46/16,692.24 = 4,105.43/x
  3. Step 3: Cross multiply
    11,128.46x = 16,692.24 × 4,105.43
  4. Step 4: Simplify right side
    11,128.46x = 68,528,822.86
  5. Step 5: Solve for x
    x = 68,528,822.86/11,128.46
  6. Step 6: Final answer
    x = 6,157.98

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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.