Home / 9,621.94-14,434.36-3,380.85

Finding the Fourth Proportional to 9,621.94, 14,434.36 and 3,380.85

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Solution

The fourth proportional to 9,621.94, 14,434.36 and 3,380.85 is: 5,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.94 : 14,434.36 = 3,380.85 : x
  2. Step 2: Convert to fraction form
    9,621.94/14,434.36 = 3,380.85/x
  3. Step 3: Cross multiply
    9,621.94x = 14,434.36 × 3,380.85
  4. Step 4: Simplify right side
    9,621.94x = 48,800,406.01
  5. Step 5: Solve for x
    x = 48,800,406.01/9,621.94
  6. Step 6: Final answer
    x = 5,071.78

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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.