Home / 11,692.44-16,129.36-7,910.54

Finding the Fourth Proportional to 11,692.44, 16,129.36 and 7,910.54

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Solution

The fourth proportional to 11,692.44, 16,129.36 and 7,910.54 is: 10,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.44 : 16,129.36 = 7,910.54 : x
  2. Step 2: Convert to fraction form
    11,692.44/16,129.36 = 7,910.54/x
  3. Step 3: Cross multiply
    11,692.44x = 16,129.36 × 7,910.54
  4. Step 4: Simplify right side
    11,692.44x = 127,591,947.45
  5. Step 5: Solve for x
    x = 127,591,947.45/11,692.44
  6. Step 6: Final answer
    x = 10,912.35

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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.