Home / 13,083.68-19,619.64-4,197.38

Finding the Fourth Proportional to 13,083.68, 19,619.64 and 4,197.38

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Solution

The fourth proportional to 13,083.68, 19,619.64 and 4,197.38 is: 6,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.68 : 19,619.64 = 4,197.38 : x
  2. Step 2: Convert to fraction form
    13,083.68/19,619.64 = 4,197.38/x
  3. Step 3: Cross multiply
    13,083.68x = 19,619.64 × 4,197.38
  4. Step 4: Simplify right side
    13,083.68x = 82,350,986.45
  5. Step 5: Solve for x
    x = 82,350,986.45/13,083.68
  6. Step 6: Final answer
    x = 6,294.18

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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.