Home / 11,427.41-17,143.03-3,930.67

Finding the Fourth Proportional to 11,427.41, 17,143.03 and 3,930.67

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Solution

The fourth proportional to 11,427.41, 17,143.03 and 3,930.67 is: 5,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.41 : 17,143.03 = 3,930.67 : x
  2. Step 2: Convert to fraction form
    11,427.41/17,143.03 = 3,930.67/x
  3. Step 3: Cross multiply
    11,427.41x = 17,143.03 × 3,930.67
  4. Step 4: Simplify right side
    11,427.41x = 67,383,541.05
  5. Step 5: Solve for x
    x = 67,383,541.05/11,427.41
  6. Step 6: Final answer
    x = 5,896.66

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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.