Home / 13,832.81-20,744.11-4,945.74

Finding the Fourth Proportional to 13,832.81, 20,744.11 and 4,945.74

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Solution

The fourth proportional to 13,832.81, 20,744.11 and 4,945.74 is: 7,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.81 : 20,744.11 = 4,945.74 : x
  2. Step 2: Convert to fraction form
    13,832.81/20,744.11 = 4,945.74/x
  3. Step 3: Cross multiply
    13,832.81x = 20,744.11 × 4,945.74
  4. Step 4: Simplify right side
    13,832.81x = 102,594,902.98
  5. Step 5: Solve for x
    x = 102,594,902.98/13,832.81
  6. Step 6: Final answer
    x = 7,416.78

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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.