Home / 14,251.28-21,388.44-7,327.76

Finding the Fourth Proportional to 14,251.28, 21,388.44 and 7,327.76

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Solution

The fourth proportional to 14,251.28, 21,388.44 and 7,327.76 is: 10,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.28 : 21,388.44 = 7,327.76 : x
  2. Step 2: Convert to fraction form
    14,251.28/21,388.44 = 7,327.76/x
  3. Step 3: Cross multiply
    14,251.28x = 21,388.44 × 7,327.76
  4. Step 4: Simplify right side
    14,251.28x = 156,729,355.09
  5. Step 5: Solve for x
    x = 156,729,355.09/14,251.28
  6. Step 6: Final answer
    x = 10,997.56

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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.