Home / 8,676.87-13,015.35-2,103.07

Finding the Fourth Proportional to 8,676.87, 13,015.35 and 2,103.07

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Solution

The fourth proportional to 8,676.87, 13,015.35 and 2,103.07 is: 3,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.87 : 13,015.35 = 2,103.07 : x
  2. Step 2: Convert to fraction form
    8,676.87/13,015.35 = 2,103.07/x
  3. Step 3: Cross multiply
    8,676.87x = 13,015.35 × 2,103.07
  4. Step 4: Simplify right side
    8,676.87x = 27,372,181.61
  5. Step 5: Solve for x
    x = 27,372,181.61/8,676.87
  6. Step 6: Final answer
    x = 3,154.61

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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.