Home / 12,334.30-18,508.11-5,321.20

Finding the Fourth Proportional to 12,334.30, 18,508.11 and 5,321.20

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Solution

The fourth proportional to 12,334.30, 18,508.11 and 5,321.20 is: 7,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.30 : 18,508.11 = 5,321.20 : x
  2. Step 2: Convert to fraction form
    12,334.30/18,508.11 = 5,321.20/x
  3. Step 3: Cross multiply
    12,334.30x = 18,508.11 × 5,321.20
  4. Step 4: Simplify right side
    12,334.30x = 98,485,354.93
  5. Step 5: Solve for x
    x = 98,485,354.93/12,334.30
  6. Step 6: Final answer
    x = 7,984.67

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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.