Home / 17,371.80-26,033.40-12,171.60

Finding the Fourth Proportional to 17,371.80, 26,033.40 and 12,171.60

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Solution

The fourth proportional to 17,371.80, 26,033.40 and 12,171.60 is: 18,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.80 : 26,033.40 = 12,171.60 : x
  2. Step 2: Convert to fraction form
    17,371.80/26,033.40 = 12,171.60/x
  3. Step 3: Cross multiply
    17,371.80x = 26,033.40 × 12,171.60
  4. Step 4: Simplify right side
    17,371.80x = 316,868,131.44
  5. Step 5: Solve for x
    x = 316,868,131.44/17,371.80
  6. Step 6: Final answer
    x = 18,240.37

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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.