Home / 12,317.09-18,475.92-3,997.13

Finding the Fourth Proportional to 12,317.09, 18,475.92 and 3,997.13

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Solution

The fourth proportional to 12,317.09, 18,475.92 and 3,997.13 is: 5,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.09 : 18,475.92 = 3,997.13 : x
  2. Step 2: Convert to fraction form
    12,317.09/18,475.92 = 3,997.13/x
  3. Step 3: Cross multiply
    12,317.09x = 18,475.92 × 3,997.13
  4. Step 4: Simplify right side
    12,317.09x = 73,850,561.73
  5. Step 5: Solve for x
    x = 73,850,561.73/12,317.09
  6. Step 6: Final answer
    x = 5,995.78

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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.