Home / 18,429.75-27,604.11-15,230.94

Finding the Fourth Proportional to 18,429.75, 27,604.11 and 15,230.94

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Solution

The fourth proportional to 18,429.75, 27,604.11 and 15,230.94 is: 22,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.75 : 27,604.11 = 15,230.94 : x
  2. Step 2: Convert to fraction form
    18,429.75/27,604.11 = 15,230.94/x
  3. Step 3: Cross multiply
    18,429.75x = 27,604.11 × 15,230.94
  4. Step 4: Simplify right side
    18,429.75x = 420,436,543.16
  5. Step 5: Solve for x
    x = 420,436,543.16/18,429.75
  6. Step 6: Final answer
    x = 22,812.93

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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.