Home / 13,270.97-19,890.05-6,699.04

Finding the Fourth Proportional to 13,270.97, 19,890.05 and 6,699.04

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Solution

The fourth proportional to 13,270.97, 19,890.05 and 6,699.04 is: 10,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.97 : 19,890.05 = 6,699.04 : x
  2. Step 2: Convert to fraction form
    13,270.97/19,890.05 = 6,699.04/x
  3. Step 3: Cross multiply
    13,270.97x = 19,890.05 × 6,699.04
  4. Step 4: Simplify right side
    13,270.97x = 133,244,157.33
  5. Step 5: Solve for x
    x = 133,244,157.33/13,270.97
  6. Step 6: Final answer
    x = 10,040.27

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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.