Home / 10,687.67-16,029.20-4,112.63

Finding the Fourth Proportional to 10,687.67, 16,029.20 and 4,112.63

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Solution

The fourth proportional to 10,687.67, 16,029.20 and 4,112.63 is: 6,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.67 : 16,029.20 = 4,112.63 : x
  2. Step 2: Convert to fraction form
    10,687.67/16,029.20 = 4,112.63/x
  3. Step 3: Cross multiply
    10,687.67x = 16,029.20 × 4,112.63
  4. Step 4: Simplify right side
    10,687.67x = 65,922,098.93
  5. Step 5: Solve for x
    x = 65,922,098.93/10,687.67
  6. Step 6: Final answer
    x = 6,168.05

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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.