Home / 11,016.36-16,520.32-3,994.32

Finding the Fourth Proportional to 11,016.36, 16,520.32 and 3,994.32

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Solution

The fourth proportional to 11,016.36, 16,520.32 and 3,994.32 is: 5,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.36 : 16,520.32 = 3,994.32 : x
  2. Step 2: Convert to fraction form
    11,016.36/16,520.32 = 3,994.32/x
  3. Step 3: Cross multiply
    11,016.36x = 16,520.32 × 3,994.32
  4. Step 4: Simplify right side
    11,016.36x = 65,987,444.58
  5. Step 5: Solve for x
    x = 65,987,444.58/11,016.36
  6. Step 6: Final answer
    x = 5,989.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.