Home / 13,004.20-19,499.10-4,234.60

Finding the Fourth Proportional to 13,004.20, 19,499.10 and 4,234.60

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Solution

The fourth proportional to 13,004.20, 19,499.10 and 4,234.60 is: 6,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.20 : 19,499.10 = 4,234.60 : x
  2. Step 2: Convert to fraction form
    13,004.20/19,499.10 = 4,234.60/x
  3. Step 3: Cross multiply
    13,004.20x = 19,499.10 × 4,234.60
  4. Step 4: Simplify right side
    13,004.20x = 82,570,888.86
  5. Step 5: Solve for x
    x = 82,570,888.86/13,004.20
  6. Step 6: Final answer
    x = 6,349.56

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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.