Home / 13,633.43-20,447.11-5,313.67

Finding the Fourth Proportional to 13,633.43, 20,447.11 and 5,313.67

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Solution

The fourth proportional to 13,633.43, 20,447.11 and 5,313.67 is: 7,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.43 : 20,447.11 = 5,313.67 : x
  2. Step 2: Convert to fraction form
    13,633.43/20,447.11 = 5,313.67/x
  3. Step 3: Cross multiply
    13,633.43x = 20,447.11 × 5,313.67
  4. Step 4: Simplify right side
    13,633.43x = 108,649,168.43
  5. Step 5: Solve for x
    x = 108,649,168.43/13,633.43
  6. Step 6: Final answer
    x = 7,969.32

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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.