Home / 11,889.96-16,408.13-6,584.78

Finding the Fourth Proportional to 11,889.96, 16,408.13 and 6,584.78

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Solution

The fourth proportional to 11,889.96, 16,408.13 and 6,584.78 is: 9,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.96 : 16,408.13 = 6,584.78 : x
  2. Step 2: Convert to fraction form
    11,889.96/16,408.13 = 6,584.78/x
  3. Step 3: Cross multiply
    11,889.96x = 16,408.13 × 6,584.78
  4. Step 4: Simplify right side
    11,889.96x = 108,043,926.26
  5. Step 5: Solve for x
    x = 108,043,926.26/11,889.96
  6. Step 6: Final answer
    x = 9,086.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.