Home / 38,204.13-57,306.91-13,245

Finding the Fourth Proportional to 38,204.13, 57,306.91 and 13,245

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Solution

The fourth proportional to 38,204.13, 57,306.91 and 13,245 is: 19,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,204.13 : 57,306.91 = 13,245 : x
  2. Step 2: Convert to fraction form
    38,204.13/57,306.91 = 13,245/x
  3. Step 3: Cross multiply
    38,204.13x = 57,306.91 × 13,245
  4. Step 4: Simplify right side
    38,204.13x = 759,030,022.95
  5. Step 5: Solve for x
    x = 759,030,022.95/38,204.13
  6. Step 6: Final answer
    x = 19,867.75

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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.