Home / 11,692.37-16,135.56-6,387.32

Finding the Fourth Proportional to 11,692.37, 16,135.56 and 6,387.32

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Solution

The fourth proportional to 11,692.37, 16,135.56 and 6,387.32 is: 8,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.37 : 16,135.56 = 6,387.32 : x
  2. Step 2: Convert to fraction form
    11,692.37/16,135.56 = 6,387.32/x
  3. Step 3: Cross multiply
    11,692.37x = 16,135.56 × 6,387.32
  4. Step 4: Simplify right side
    11,692.37x = 103,063,025.44
  5. Step 5: Solve for x
    x = 103,063,025.44/11,692.37
  6. Step 6: Final answer
    x = 8,814.55

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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.