Home / 12,216.66-18,326.01-3,897.86

Finding the Fourth Proportional to 12,216.66, 18,326.01 and 3,897.86

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Solution

The fourth proportional to 12,216.66, 18,326.01 and 3,897.86 is: 5,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.66 : 18,326.01 = 3,897.86 : x
  2. Step 2: Convert to fraction form
    12,216.66/18,326.01 = 3,897.86/x
  3. Step 3: Cross multiply
    12,216.66x = 18,326.01 × 3,897.86
  4. Step 4: Simplify right side
    12,216.66x = 71,432,144.33
  5. Step 5: Solve for x
    x = 71,432,144.33/12,216.66
  6. Step 6: Final answer
    x = 5,847.11

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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.