Home / 11,327.88-15,634.32-6,612.12

Finding the Fourth Proportional to 11,327.88, 15,634.32 and 6,612.12

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Solution

The fourth proportional to 11,327.88, 15,634.32 and 6,612.12 is: 9,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.88 : 15,634.32 = 6,612.12 : x
  2. Step 2: Convert to fraction form
    11,327.88/15,634.32 = 6,612.12/x
  3. Step 3: Cross multiply
    11,327.88x = 15,634.32 × 6,612.12
  4. Step 4: Simplify right side
    11,327.88x = 103,375,999.96
  5. Step 5: Solve for x
    x = 103,375,999.96/11,327.88
  6. Step 6: Final answer
    x = 9,125.80

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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.