Home / 12,943.11-19,414.69-3,583.16

Finding the Fourth Proportional to 12,943.11, 19,414.69 and 3,583.16

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Solution

The fourth proportional to 12,943.11, 19,414.69 and 3,583.16 is: 5,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.11 : 19,414.69 = 3,583.16 : x
  2. Step 2: Convert to fraction form
    12,943.11/19,414.69 = 3,583.16/x
  3. Step 3: Cross multiply
    12,943.11x = 19,414.69 × 3,583.16
  4. Step 4: Simplify right side
    12,943.11x = 69,565,843.55
  5. Step 5: Solve for x
    x = 69,565,843.55/12,943.11
  6. Step 6: Final answer
    x = 5,374.74

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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.