Home / 14,383.77-21,571.38-6,481.73

Finding the Fourth Proportional to 14,383.77, 21,571.38 and 6,481.73

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Solution

The fourth proportional to 14,383.77, 21,571.38 and 6,481.73 is: 9,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.77 : 21,571.38 = 6,481.73 : x
  2. Step 2: Convert to fraction form
    14,383.77/21,571.38 = 6,481.73/x
  3. Step 3: Cross multiply
    14,383.77x = 21,571.38 × 6,481.73
  4. Step 4: Simplify right side
    14,383.77x = 139,819,753.03
  5. Step 5: Solve for x
    x = 139,819,753.03/14,383.77
  6. Step 6: Final answer
    x = 9,720.66

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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.