Home / 11,670.80-16,105.77-6,365.70

Finding the Fourth Proportional to 11,670.80, 16,105.77 and 6,365.70

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Solution

The fourth proportional to 11,670.80, 16,105.77 and 6,365.70 is: 8,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.80 : 16,105.77 = 6,365.70 : x
  2. Step 2: Convert to fraction form
    11,670.80/16,105.77 = 6,365.70/x
  3. Step 3: Cross multiply
    11,670.80x = 16,105.77 × 6,365.70
  4. Step 4: Simplify right side
    11,670.80x = 102,524,500.09
  5. Step 5: Solve for x
    x = 102,524,500.09/11,670.80
  6. Step 6: Final answer
    x = 8,784.71

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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.