Home / 17,938.50-26,908.43-8,084.70

Finding the Fourth Proportional to 17,938.50, 26,908.43 and 8,084.70

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Solution

The fourth proportional to 17,938.50, 26,908.43 and 8,084.70 is: 12,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.50 : 26,908.43 = 8,084.70 : x
  2. Step 2: Convert to fraction form
    17,938.50/26,908.43 = 8,084.70/x
  3. Step 3: Cross multiply
    17,938.50x = 26,908.43 × 8,084.70
  4. Step 4: Simplify right side
    17,938.50x = 217,546,584.02
  5. Step 5: Solve for x
    x = 217,546,584.02/17,938.50
  6. Step 6: Final answer
    x = 12,127.36

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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.