Home / 11,889.76-16,408.56-6,584.44

Finding the Fourth Proportional to 11,889.76, 16,408.56 and 6,584.44

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Solution

The fourth proportional to 11,889.76, 16,408.56 and 6,584.44 is: 9,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.76 : 16,408.56 = 6,584.44 : x
  2. Step 2: Convert to fraction form
    11,889.76/16,408.56 = 6,584.44/x
  3. Step 3: Cross multiply
    11,889.76x = 16,408.56 × 6,584.44
  4. Step 4: Simplify right side
    11,889.76x = 108,041,178.81
  5. Step 5: Solve for x
    x = 108,041,178.81/11,889.76
  6. Step 6: Final answer
    x = 9,086.91

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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.