Home / 13,209.45-19,814.24-3,348.73

Finding the Fourth Proportional to 13,209.45, 19,814.24 and 3,348.73

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Solution

The fourth proportional to 13,209.45, 19,814.24 and 3,348.73 is: 5,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.45 : 19,814.24 = 3,348.73 : x
  2. Step 2: Convert to fraction form
    13,209.45/19,814.24 = 3,348.73/x
  3. Step 3: Cross multiply
    13,209.45x = 19,814.24 × 3,348.73
  4. Step 4: Simplify right side
    13,209.45x = 66,352,539.92
  5. Step 5: Solve for x
    x = 66,352,539.92/13,209.45
  6. Step 6: Final answer
    x = 5,023.11

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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.