Home / 11,451.32-17,151.60-8,799.30

Finding the Fourth Proportional to 11,451.32, 17,151.60 and 8,799.30

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Solution

The fourth proportional to 11,451.32, 17,151.60 and 8,799.30 is: 13,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.32 : 17,151.60 = 8,799.30 : x
  2. Step 2: Convert to fraction form
    11,451.32/17,151.60 = 8,799.30/x
  3. Step 3: Cross multiply
    11,451.32x = 17,151.60 × 8,799.30
  4. Step 4: Simplify right side
    11,451.32x = 150,922,073.88
  5. Step 5: Solve for x
    x = 150,922,073.88/11,451.32
  6. Step 6: Final answer
    x = 13,179.45

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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.