Home / 8,743.73-13,115.69-6,999.82

Finding the Fourth Proportional to 8,743.73, 13,115.69 and 6,999.82

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Solution

The fourth proportional to 8,743.73, 13,115.69 and 6,999.82 is: 10,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.73 : 13,115.69 = 6,999.82 : x
  2. Step 2: Convert to fraction form
    8,743.73/13,115.69 = 6,999.82/x
  3. Step 3: Cross multiply
    8,743.73x = 13,115.69 × 6,999.82
  4. Step 4: Simplify right side
    8,743.73x = 91,807,469.18
  5. Step 5: Solve for x
    x = 91,807,469.18/8,743.73
  6. Step 6: Final answer
    x = 10,499.81

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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.