Home / 11,679.41-17,512.05-4,660.49

Finding the Fourth Proportional to 11,679.41, 17,512.05 and 4,660.49

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Solution

The fourth proportional to 11,679.41, 17,512.05 and 4,660.49 is: 6,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.41 : 17,512.05 = 4,660.49 : x
  2. Step 2: Convert to fraction form
    11,679.41/17,512.05 = 4,660.49/x
  3. Step 3: Cross multiply
    11,679.41x = 17,512.05 × 4,660.49
  4. Step 4: Simplify right side
    11,679.41x = 81,614,733.90
  5. Step 5: Solve for x
    x = 81,614,733.90/11,679.41
  6. Step 6: Final answer
    x = 6,987.92

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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.