Home / 17,163.90-25,702.65-11,288.70

Finding the Fourth Proportional to 17,163.90, 25,702.65 and 11,288.70

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Solution

The fourth proportional to 17,163.90, 25,702.65 and 11,288.70 is: 16,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.90 : 25,702.65 = 11,288.70 : x
  2. Step 2: Convert to fraction form
    17,163.90/25,702.65 = 11,288.70/x
  3. Step 3: Cross multiply
    17,163.90x = 25,702.65 × 11,288.70
  4. Step 4: Simplify right side
    17,163.90x = 290,149,505.06
  5. Step 5: Solve for x
    x = 290,149,505.06/17,163.90
  6. Step 6: Final answer
    x = 16,904.64

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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.