Home / 19,204.67-28,820.07-11,786.49

Finding the Fourth Proportional to 19,204.67, 28,820.07 and 11,786.49

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Solution

The fourth proportional to 19,204.67, 28,820.07 and 11,786.49 is: 17,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.67 : 28,820.07 = 11,786.49 : x
  2. Step 2: Convert to fraction form
    19,204.67/28,820.07 = 11,786.49/x
  3. Step 3: Cross multiply
    19,204.67x = 28,820.07 × 11,786.49
  4. Step 4: Simplify right side
    19,204.67x = 339,687,466.85
  5. Step 5: Solve for x
    x = 339,687,466.85/19,204.67
  6. Step 6: Final answer
    x = 17,687.76

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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.