Home / 13,857.93-20,773.75-4,491.37

Finding the Fourth Proportional to 13,857.93, 20,773.75 and 4,491.37

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Solution

The fourth proportional to 13,857.93, 20,773.75 and 4,491.37 is: 6,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.93 : 20,773.75 = 4,491.37 : x
  2. Step 2: Convert to fraction form
    13,857.93/20,773.75 = 4,491.37/x
  3. Step 3: Cross multiply
    13,857.93x = 20,773.75 × 4,491.37
  4. Step 4: Simplify right side
    13,857.93x = 93,302,523.15
  5. Step 5: Solve for x
    x = 93,302,523.15/13,857.93
  6. Step 6: Final answer
    x = 6,732.79

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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.