Home / 18,234.10-27,329.55-13,611.70

Finding the Fourth Proportional to 18,234.10, 27,329.55 and 13,611.70

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Solution

The fourth proportional to 18,234.10, 27,329.55 and 13,611.70 is: 20,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.10 : 27,329.55 = 13,611.70 : x
  2. Step 2: Convert to fraction form
    18,234.10/27,329.55 = 13,611.70/x
  3. Step 3: Cross multiply
    18,234.10x = 27,329.55 × 13,611.70
  4. Step 4: Simplify right side
    18,234.10x = 372,001,635.74
  5. Step 5: Solve for x
    x = 372,001,635.74/18,234.10
  6. Step 6: Final answer
    x = 20,401.43

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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.