Home / 11,170.21-16,733.41-6,480.37

Finding the Fourth Proportional to 11,170.21, 16,733.41 and 6,480.37

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Solution

The fourth proportional to 11,170.21, 16,733.41 and 6,480.37 is: 9,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.21 : 16,733.41 = 6,480.37 : x
  2. Step 2: Convert to fraction form
    11,170.21/16,733.41 = 6,480.37/x
  3. Step 3: Cross multiply
    11,170.21x = 16,733.41 × 6,480.37
  4. Step 4: Simplify right side
    11,170.21x = 108,438,688.16
  5. Step 5: Solve for x
    x = 108,438,688.16/11,170.21
  6. Step 6: Final answer
    x = 9,707.85

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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.