Home / 13,434.75-20,136.92-6,847.02

Finding the Fourth Proportional to 13,434.75, 20,136.92 and 6,847.02

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Solution

The fourth proportional to 13,434.75, 20,136.92 and 6,847.02 is: 10,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.75 : 20,136.92 = 6,847.02 : x
  2. Step 2: Convert to fraction form
    13,434.75/20,136.92 = 6,847.02/x
  3. Step 3: Cross multiply
    13,434.75x = 20,136.92 × 6,847.02
  4. Step 4: Simplify right side
    13,434.75x = 137,877,893.98
  5. Step 5: Solve for x
    x = 137,877,893.98/13,434.75
  6. Step 6: Final answer
    x = 10,262.78

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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.