Home / 11,571.87-17,357.79-3,780.69

Finding the Fourth Proportional to 11,571.87, 17,357.79 and 3,780.69

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Solution

The fourth proportional to 11,571.87, 17,357.79 and 3,780.69 is: 5,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.87 : 17,357.79 = 3,780.69 : x
  2. Step 2: Convert to fraction form
    11,571.87/17,357.79 = 3,780.69/x
  3. Step 3: Cross multiply
    11,571.87x = 17,357.79 × 3,780.69
  4. Step 4: Simplify right side
    11,571.87x = 65,624,423.08
  5. Step 5: Solve for x
    x = 65,624,423.08/11,571.87
  6. Step 6: Final answer
    x = 5,671.03

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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.