Home / 14,120.94-21,183.72-4,761.84

Finding the Fourth Proportional to 14,120.94, 21,183.72 and 4,761.84

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Solution

The fourth proportional to 14,120.94, 21,183.72 and 4,761.84 is: 7,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.94 : 21,183.72 = 4,761.84 : x
  2. Step 2: Convert to fraction form
    14,120.94/21,183.72 = 4,761.84/x
  3. Step 3: Cross multiply
    14,120.94x = 21,183.72 × 4,761.84
  4. Step 4: Simplify right side
    14,120.94x = 100,873,485.24
  5. Step 5: Solve for x
    x = 100,873,485.24/14,120.94
  6. Step 6: Final answer
    x = 7,143.54

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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.