Home / 9,819.35-14,728.94-3,975.87

Finding the Fourth Proportional to 9,819.35, 14,728.94 and 3,975.87

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Solution

The fourth proportional to 9,819.35, 14,728.94 and 3,975.87 is: 5,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.35 : 14,728.94 = 3,975.87 : x
  2. Step 2: Convert to fraction form
    9,819.35/14,728.94 = 3,975.87/x
  3. Step 3: Cross multiply
    9,819.35x = 14,728.94 × 3,975.87
  4. Step 4: Simplify right side
    9,819.35x = 58,560,350.68
  5. Step 5: Solve for x
    x = 58,560,350.68/9,819.35
  6. Step 6: Final answer
    x = 5,963.77

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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.