Home / 11,237.30-16,857.77-4,217.86

Finding the Fourth Proportional to 11,237.30, 16,857.77 and 4,217.86

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Solution

The fourth proportional to 11,237.30, 16,857.77 and 4,217.86 is: 6,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.30 : 16,857.77 = 4,217.86 : x
  2. Step 2: Convert to fraction form
    11,237.30/16,857.77 = 4,217.86/x
  3. Step 3: Cross multiply
    11,237.30x = 16,857.77 × 4,217.86
  4. Step 4: Simplify right side
    11,237.30x = 71,103,745.39
  5. Step 5: Solve for x
    x = 71,103,745.39/11,237.30
  6. Step 6: Final answer
    x = 6,327.48

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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.