Home / 14,945.53-20,625.44-8,231.79

Finding the Fourth Proportional to 14,945.53, 20,625.44 and 8,231.79

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Solution

The fourth proportional to 14,945.53, 20,625.44 and 8,231.79 is: 11,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.53 : 20,625.44 = 8,231.79 : x
  2. Step 2: Convert to fraction form
    14,945.53/20,625.44 = 8,231.79/x
  3. Step 3: Cross multiply
    14,945.53x = 20,625.44 × 8,231.79
  4. Step 4: Simplify right side
    14,945.53x = 169,784,326.92
  5. Step 5: Solve for x
    x = 169,784,326.92/14,945.53
  6. Step 6: Final answer
    x = 11,360.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.