Home / 14,126.54-21,163.97-6,616.31

Finding the Fourth Proportional to 14,126.54, 21,163.97 and 6,616.31

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Solution

The fourth proportional to 14,126.54, 21,163.97 and 6,616.31 is: 9,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.54 : 21,163.97 = 6,616.31 : x
  2. Step 2: Convert to fraction form
    14,126.54/21,163.97 = 6,616.31/x
  3. Step 3: Cross multiply
    14,126.54x = 21,163.97 × 6,616.31
  4. Step 4: Simplify right side
    14,126.54x = 140,027,353.27
  5. Step 5: Solve for x
    x = 140,027,353.27/14,126.54
  6. Step 6: Final answer
    x = 9,912.36

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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.