Home / 11,692.62-16,135.56-6,387.30

Finding the Fourth Proportional to 11,692.62, 16,135.56 and 6,387.30

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Solution

The fourth proportional to 11,692.62, 16,135.56 and 6,387.30 is: 8,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.62 : 16,135.56 = 6,387.30 : x
  2. Step 2: Convert to fraction form
    11,692.62/16,135.56 = 6,387.30/x
  3. Step 3: Cross multiply
    11,692.62x = 16,135.56 × 6,387.30
  4. Step 4: Simplify right side
    11,692.62x = 103,062,662.39
  5. Step 5: Solve for x
    x = 103,062,662.39/11,692.62
  6. Step 6: Final answer
    x = 8,814.33

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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.