Home / 11,700.82-16,147.60-6,395.86

Finding the Fourth Proportional to 11,700.82, 16,147.60 and 6,395.86

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Solution

The fourth proportional to 11,700.82, 16,147.60 and 6,395.86 is: 8,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.82 : 16,147.60 = 6,395.86 : x
  2. Step 2: Convert to fraction form
    11,700.82/16,147.60 = 6,395.86/x
  3. Step 3: Cross multiply
    11,700.82x = 16,147.60 × 6,395.86
  4. Step 4: Simplify right side
    11,700.82x = 103,277,788.94
  5. Step 5: Solve for x
    x = 103,277,788.94/11,700.82
  6. Step 6: Final answer
    x = 8,826.54

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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.