Home / 19,367.54-29,039.18-8,119.86

Finding the Fourth Proportional to 19,367.54, 29,039.18 and 8,119.86

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Solution

The fourth proportional to 19,367.54, 29,039.18 and 8,119.86 is: 12,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.54 : 29,039.18 = 8,119.86 : x
  2. Step 2: Convert to fraction form
    19,367.54/29,039.18 = 8,119.86/x
  3. Step 3: Cross multiply
    19,367.54x = 29,039.18 × 8,119.86
  4. Step 4: Simplify right side
    19,367.54x = 235,794,076.11
  5. Step 5: Solve for x
    x = 235,794,076.11/19,367.54
  6. Step 6: Final answer
    x = 12,174.70

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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.