Home / 11,571.12-17,352.36-3,777.84

Finding the Fourth Proportional to 11,571.12, 17,352.36 and 3,777.84

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Solution

The fourth proportional to 11,571.12, 17,352.36 and 3,777.84 is: 5,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.12 : 17,352.36 = 3,777.84 : x
  2. Step 2: Convert to fraction form
    11,571.12/17,352.36 = 3,777.84/x
  3. Step 3: Cross multiply
    11,571.12x = 17,352.36 × 3,777.84
  4. Step 4: Simplify right side
    11,571.12x = 65,554,439.70
  5. Step 5: Solve for x
    x = 65,554,439.70/11,571.12
  6. Step 6: Final answer
    x = 5,665.35

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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.