Home / 11,454.30-17,181.45-8,859.10

Finding the Fourth Proportional to 11,454.30, 17,181.45 and 8,859.10

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Solution

The fourth proportional to 11,454.30, 17,181.45 and 8,859.10 is: 13,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.30 : 17,181.45 = 8,859.10 : x
  2. Step 2: Convert to fraction form
    11,454.30/17,181.45 = 8,859.10/x
  3. Step 3: Cross multiply
    11,454.30x = 17,181.45 × 8,859.10
  4. Step 4: Simplify right side
    11,454.30x = 152,212,183.70
  5. Step 5: Solve for x
    x = 152,212,183.70/11,454.30
  6. Step 6: Final answer
    x = 13,288.65

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Similar ratio
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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.