Home / 13,824.01-20,738.16-4,938.73

Finding the Fourth Proportional to 13,824.01, 20,738.16 and 4,938.73

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Solution

The fourth proportional to 13,824.01, 20,738.16 and 4,938.73 is: 7,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.01 : 20,738.16 = 4,938.73 : x
  2. Step 2: Convert to fraction form
    13,824.01/20,738.16 = 4,938.73/x
  3. Step 3: Cross multiply
    13,824.01x = 20,738.16 × 4,938.73
  4. Step 4: Simplify right side
    13,824.01x = 102,420,172.94
  5. Step 5: Solve for x
    x = 102,420,172.94/13,824.01
  6. Step 6: Final answer
    x = 7,408.86

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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.