Home / 13,738.11-20,608.80-4,374.84

Finding the Fourth Proportional to 13,738.11, 20,608.80 and 4,374.84

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Solution

The fourth proportional to 13,738.11, 20,608.80 and 4,374.84 is: 6,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.11 : 20,608.80 = 4,374.84 : x
  2. Step 2: Convert to fraction form
    13,738.11/20,608.80 = 4,374.84/x
  3. Step 3: Cross multiply
    13,738.11x = 20,608.80 × 4,374.84
  4. Step 4: Simplify right side
    13,738.11x = 90,160,202.59
  5. Step 5: Solve for x
    x = 90,160,202.59/13,738.11
  6. Step 6: Final answer
    x = 6,562.78

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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.