Home / 13,961.34-20,945.92-5,647.19

Finding the Fourth Proportional to 13,961.34, 20,945.92 and 5,647.19

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Solution

The fourth proportional to 13,961.34, 20,945.92 and 5,647.19 is: 8,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.34 : 20,945.92 = 5,647.19 : x
  2. Step 2: Convert to fraction form
    13,961.34/20,945.92 = 5,647.19/x
  3. Step 3: Cross multiply
    13,961.34x = 20,945.92 × 5,647.19
  4. Step 4: Simplify right side
    13,961.34x = 118,285,589.96
  5. Step 5: Solve for x
    x = 118,285,589.96/13,961.34
  6. Step 6: Final answer
    x = 8,472.37

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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.