Home / 14,233.20-21,351.28-5,475.44

Finding the Fourth Proportional to 14,233.20, 21,351.28 and 5,475.44

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Solution

The fourth proportional to 14,233.20, 21,351.28 and 5,475.44 is: 8,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.20 : 21,351.28 = 5,475.44 : x
  2. Step 2: Convert to fraction form
    14,233.20/21,351.28 = 5,475.44/x
  3. Step 3: Cross multiply
    14,233.20x = 21,351.28 × 5,475.44
  4. Step 4: Simplify right side
    14,233.20x = 116,907,652.56
  5. Step 5: Solve for x
    x = 116,907,652.56/14,233.20
  6. Step 6: Final answer
    x = 8,213.73

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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.