Home / 9,143.73-13,719.24-3,300.80

Finding the Fourth Proportional to 9,143.73, 13,719.24 and 3,300.80

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Solution

The fourth proportional to 9,143.73, 13,719.24 and 3,300.80 is: 4,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.73 : 13,719.24 = 3,300.80 : x
  2. Step 2: Convert to fraction form
    9,143.73/13,719.24 = 3,300.80/x
  3. Step 3: Cross multiply
    9,143.73x = 13,719.24 × 3,300.80
  4. Step 4: Simplify right side
    9,143.73x = 45,284,398.80
  5. Step 5: Solve for x
    x = 45,284,398.80/9,143.73
  6. Step 6: Final answer
    x = 4,952.51

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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.