Home / 12,663.63-18,997.67-4,344.52

Finding the Fourth Proportional to 12,663.63, 18,997.67 and 4,344.52

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Solution

The fourth proportional to 12,663.63, 18,997.67 and 4,344.52 is: 6,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.63 : 18,997.67 = 4,344.52 : x
  2. Step 2: Convert to fraction form
    12,663.63/18,997.67 = 4,344.52/x
  3. Step 3: Cross multiply
    12,663.63x = 18,997.67 × 4,344.52
  4. Step 4: Simplify right side
    12,663.63x = 82,535,757.27
  5. Step 5: Solve for x
    x = 82,535,757.27/12,663.63
  6. Step 6: Final answer
    x = 6,517.54

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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.