Home / 11,267.88-16,859.40-6,919.86

Finding the Fourth Proportional to 11,267.88, 16,859.40 and 6,919.86

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Solution

The fourth proportional to 11,267.88, 16,859.40 and 6,919.86 is: 10,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.88 : 16,859.40 = 6,919.86 : x
  2. Step 2: Convert to fraction form
    11,267.88/16,859.40 = 6,919.86/x
  3. Step 3: Cross multiply
    11,267.88x = 16,859.40 × 6,919.86
  4. Step 4: Simplify right side
    11,267.88x = 116,664,687.68
  5. Step 5: Solve for x
    x = 116,664,687.68/11,267.88
  6. Step 6: Final answer
    x = 10,353.74

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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.