Home / 13,012.66-19,517.87-3,651.94

Finding the Fourth Proportional to 13,012.66, 19,517.87 and 3,651.94

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Solution

The fourth proportional to 13,012.66, 19,517.87 and 3,651.94 is: 5,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.66 : 19,517.87 = 3,651.94 : x
  2. Step 2: Convert to fraction form
    13,012.66/19,517.87 = 3,651.94/x
  3. Step 3: Cross multiply
    13,012.66x = 19,517.87 × 3,651.94
  4. Step 4: Simplify right side
    13,012.66x = 71,278,090.17
  5. Step 5: Solve for x
    x = 71,278,090.17/13,012.66
  6. Step 6: Final answer
    x = 5,477.60

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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.