Home / 14,120.84-21,183.20-4,763.54

Finding the Fourth Proportional to 14,120.84, 21,183.20 and 4,763.54

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Solution

The fourth proportional to 14,120.84, 21,183.20 and 4,763.54 is: 7,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.84 : 21,183.20 = 4,763.54 : x
  2. Step 2: Convert to fraction form
    14,120.84/21,183.20 = 4,763.54/x
  3. Step 3: Cross multiply
    14,120.84x = 21,183.20 × 4,763.54
  4. Step 4: Simplify right side
    14,120.84x = 100,907,020.53
  5. Step 5: Solve for x
    x = 100,907,020.53/14,120.84
  6. Step 6: Final answer
    x = 7,145.96

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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.