Home / 9,839.09-14,758.83-3,991.70

Finding the Fourth Proportional to 9,839.09, 14,758.83 and 3,991.70

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Solution

The fourth proportional to 9,839.09, 14,758.83 and 3,991.70 is: 5,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.09 : 14,758.83 = 3,991.70 : x
  2. Step 2: Convert to fraction form
    9,839.09/14,758.83 = 3,991.70/x
  3. Step 3: Cross multiply
    9,839.09x = 14,758.83 × 3,991.70
  4. Step 4: Simplify right side
    9,839.09x = 58,912,747.92
  5. Step 5: Solve for x
    x = 58,912,747.92/9,839.09
  6. Step 6: Final answer
    x = 5,987.62

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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.