Home / 13,243.35-19,865.01-3,382.64

Finding the Fourth Proportional to 13,243.35, 19,865.01 and 3,382.64

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Solution

The fourth proportional to 13,243.35, 19,865.01 and 3,382.64 is: 5,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.35 : 19,865.01 = 3,382.64 : x
  2. Step 2: Convert to fraction form
    13,243.35/19,865.01 = 3,382.64/x
  3. Step 3: Cross multiply
    13,243.35x = 19,865.01 × 3,382.64
  4. Step 4: Simplify right side
    13,243.35x = 67,196,078.10
  5. Step 5: Solve for x
    x = 67,196,078.10/13,243.35
  6. Step 6: Final answer
    x = 5,073.95

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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.