Home / 12,553.29-17,406.34-12,136.95

Finding the Fourth Proportional to 12,553.29, 17,406.34 and 12,136.95

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Solution

The fourth proportional to 12,553.29, 17,406.34 and 12,136.95 is: 16,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.29 : 17,406.34 = 12,136.95 : x
  2. Step 2: Convert to fraction form
    12,553.29/17,406.34 = 12,136.95/x
  3. Step 3: Cross multiply
    12,553.29x = 17,406.34 × 12,136.95
  4. Step 4: Simplify right side
    12,553.29x = 211,259,847.92
  5. Step 5: Solve for x
    x = 211,259,847.92/12,553.29
  6. Step 6: Final answer
    x = 16,829.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.