Home / 11,908.32-17,863.86-4,518.30

Finding the Fourth Proportional to 11,908.32, 17,863.86 and 4,518.30

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Solution

The fourth proportional to 11,908.32, 17,863.86 and 4,518.30 is: 6,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.32 : 17,863.86 = 4,518.30 : x
  2. Step 2: Convert to fraction form
    11,908.32/17,863.86 = 4,518.30/x
  3. Step 3: Cross multiply
    11,908.32x = 17,863.86 × 4,518.30
  4. Step 4: Simplify right side
    11,908.32x = 80,714,278.64
  5. Step 5: Solve for x
    x = 80,714,278.64/11,908.32
  6. Step 6: Final answer
    x = 6,777.97

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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.