Home / 17,961.08-26,942.28-9,185.72

Finding the Fourth Proportional to 17,961.08, 26,942.28 and 9,185.72

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Solution

The fourth proportional to 17,961.08, 26,942.28 and 9,185.72 is: 13,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.08 : 26,942.28 = 9,185.72 : x
  2. Step 2: Convert to fraction form
    17,961.08/26,942.28 = 9,185.72/x
  3. Step 3: Cross multiply
    17,961.08x = 26,942.28 × 9,185.72
  4. Step 4: Simplify right side
    17,961.08x = 247,484,240.24
  5. Step 5: Solve for x
    x = 247,484,240.24/17,961.08
  6. Step 6: Final answer
    x = 13,778.92

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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.