Home / 14,251.56-21,378.54-3,722.98

Finding the Fourth Proportional to 14,251.56, 21,378.54 and 3,722.98

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Solution

The fourth proportional to 14,251.56, 21,378.54 and 3,722.98 is: 5,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.56 : 21,378.54 = 3,722.98 : x
  2. Step 2: Convert to fraction form
    14,251.56/21,378.54 = 3,722.98/x
  3. Step 3: Cross multiply
    14,251.56x = 21,378.54 × 3,722.98
  4. Step 4: Simplify right side
    14,251.56x = 79,591,876.85
  5. Step 5: Solve for x
    x = 79,591,876.85/14,251.56
  6. Step 6: Final answer
    x = 5,584.78

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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.