Home / 13,012.16-19,517.12-3,651.44

Finding the Fourth Proportional to 13,012.16, 19,517.12 and 3,651.44

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Solution

The fourth proportional to 13,012.16, 19,517.12 and 3,651.44 is: 5,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.16 : 19,517.12 = 3,651.44 : x
  2. Step 2: Convert to fraction form
    13,012.16/19,517.12 = 3,651.44/x
  3. Step 3: Cross multiply
    13,012.16x = 19,517.12 × 3,651.44
  4. Step 4: Simplify right side
    13,012.16x = 71,265,592.65
  5. Step 5: Solve for x
    x = 71,265,592.65/13,012.16
  6. Step 6: Final answer
    x = 5,476.85

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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.