Home / 17,938.90-26,896.20-9,166.60

Finding the Fourth Proportional to 17,938.90, 26,896.20 and 9,166.60

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Solution

The fourth proportional to 17,938.90, 26,896.20 and 9,166.60 is: 13,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.90 : 26,896.20 = 9,166.60 : x
  2. Step 2: Convert to fraction form
    17,938.90/26,896.20 = 9,166.60/x
  3. Step 3: Cross multiply
    17,938.90x = 26,896.20 × 9,166.60
  4. Step 4: Simplify right side
    17,938.90x = 246,546,706.92
  5. Step 5: Solve for x
    x = 246,546,706.92/17,938.90
  6. Step 6: Final answer
    x = 13,743.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.