Home / 13,059.86-19,589.18-3,198.62

Finding the Fourth Proportional to 13,059.86, 19,589.18 and 3,198.62

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Solution

The fourth proportional to 13,059.86, 19,589.18 and 3,198.62 is: 4,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.86 : 19,589.18 = 3,198.62 : x
  2. Step 2: Convert to fraction form
    13,059.86/19,589.18 = 3,198.62/x
  3. Step 3: Cross multiply
    13,059.86x = 19,589.18 × 3,198.62
  4. Step 4: Simplify right side
    13,059.86x = 62,658,244.99
  5. Step 5: Solve for x
    x = 62,658,244.99/13,059.86
  6. Step 6: Final answer
    x = 4,797.77

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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.