Home / 12,650.28-18,967.86-4,327.53

Finding the Fourth Proportional to 12,650.28, 18,967.86 and 4,327.53

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Solution

The fourth proportional to 12,650.28, 18,967.86 and 4,327.53 is: 6,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.28 : 18,967.86 = 4,327.53 : x
  2. Step 2: Convert to fraction form
    12,650.28/18,967.86 = 4,327.53/x
  3. Step 3: Cross multiply
    12,650.28x = 18,967.86 × 4,327.53
  4. Step 4: Simplify right side
    12,650.28x = 82,083,983.19
  5. Step 5: Solve for x
    x = 82,083,983.19/12,650.28
  6. Step 6: Final answer
    x = 6,488.71

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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.