Home / 12,914.32-19,375.26-6,677.86

Finding the Fourth Proportional to 12,914.32, 19,375.26 and 6,677.86

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Solution

The fourth proportional to 12,914.32, 19,375.26 and 6,677.86 is: 10,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.32 : 19,375.26 = 6,677.86 : x
  2. Step 2: Convert to fraction form
    12,914.32/19,375.26 = 6,677.86/x
  3. Step 3: Cross multiply
    12,914.32x = 19,375.26 × 6,677.86
  4. Step 4: Simplify right side
    12,914.32x = 129,385,273.74
  5. Step 5: Solve for x
    x = 129,385,273.74/12,914.32
  6. Step 6: Final answer
    x = 10,018.74

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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.