Home / 13,440.05-20,157.07-8,792.67

Finding the Fourth Proportional to 13,440.05, 20,157.07 and 8,792.67

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Solution

The fourth proportional to 13,440.05, 20,157.07 and 8,792.67 is: 13,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.05 : 20,157.07 = 8,792.67 : x
  2. Step 2: Convert to fraction form
    13,440.05/20,157.07 = 8,792.67/x
  3. Step 3: Cross multiply
    13,440.05x = 20,157.07 × 8,792.67
  4. Step 4: Simplify right side
    13,440.05x = 177,234,464.68
  5. Step 5: Solve for x
    x = 177,234,464.68/13,440.05
  6. Step 6: Final answer
    x = 13,187.04

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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.