Home / 13,704.03-18,911.61-7,416.41

Finding the Fourth Proportional to 13,704.03, 18,911.61 and 7,416.41

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Solution

The fourth proportional to 13,704.03, 18,911.61 and 7,416.41 is: 10,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.03 : 18,911.61 = 7,416.41 : x
  2. Step 2: Convert to fraction form
    13,704.03/18,911.61 = 7,416.41/x
  3. Step 3: Cross multiply
    13,704.03x = 18,911.61 × 7,416.41
  4. Step 4: Simplify right side
    13,704.03x = 140,256,158.96
  5. Step 5: Solve for x
    x = 140,256,158.96/13,704.03
  6. Step 6: Final answer
    x = 10,234.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.