Home / 13,414.02-20,121.93-3,553.17

Finding the Fourth Proportional to 13,414.02, 20,121.93 and 3,553.17

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Solution

The fourth proportional to 13,414.02, 20,121.93 and 3,553.17 is: 5,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.02 : 20,121.93 = 3,553.17 : x
  2. Step 2: Convert to fraction form
    13,414.02/20,121.93 = 3,553.17/x
  3. Step 3: Cross multiply
    13,414.02x = 20,121.93 × 3,553.17
  4. Step 4: Simplify right side
    13,414.02x = 71,496,638.02
  5. Step 5: Solve for x
    x = 71,496,638.02/13,414.02
  6. Step 6: Final answer
    x = 5,329.99

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1.5x scale

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.