Home / 17,076.84-25,618.36-8,311.76

Finding the Fourth Proportional to 17,076.84, 25,618.36 and 8,311.76

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Solution

The fourth proportional to 17,076.84, 25,618.36 and 8,311.76 is: 12,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.84 : 25,618.36 = 8,311.76 : x
  2. Step 2: Convert to fraction form
    17,076.84/25,618.36 = 8,311.76/x
  3. Step 3: Cross multiply
    17,076.84x = 25,618.36 × 8,311.76
  4. Step 4: Simplify right side
    17,076.84x = 212,933,659.91
  5. Step 5: Solve for x
    x = 212,933,659.91/17,076.84
  6. Step 6: Final answer
    x = 12,469.15

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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.