Home / 11,825.44-16,319.15-6,520.15

Finding the Fourth Proportional to 11,825.44, 16,319.15 and 6,520.15

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Solution

The fourth proportional to 11,825.44, 16,319.15 and 6,520.15 is: 8,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.44 : 16,319.15 = 6,520.15 : x
  2. Step 2: Convert to fraction form
    11,825.44/16,319.15 = 6,520.15/x
  3. Step 3: Cross multiply
    11,825.44x = 16,319.15 × 6,520.15
  4. Step 4: Simplify right side
    11,825.44x = 106,403,305.87
  5. Step 5: Solve for x
    x = 106,403,305.87/11,825.44
  6. Step 6: Final answer
    x = 8,997.83

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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.