Home / 11,571.72-17,360.30-3,780.52

Finding the Fourth Proportional to 11,571.72, 17,360.30 and 3,780.52

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Solution

The fourth proportional to 11,571.72, 17,360.30 and 3,780.52 is: 5,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.72 : 17,360.30 = 3,780.52 : x
  2. Step 2: Convert to fraction form
    11,571.72/17,360.30 = 3,780.52/x
  3. Step 3: Cross multiply
    11,571.72x = 17,360.30 × 3,780.52
  4. Step 4: Simplify right side
    11,571.72x = 65,630,961.36
  5. Step 5: Solve for x
    x = 65,630,961.36/11,571.72
  6. Step 6: Final answer
    x = 5,671.67

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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.