Home / 13,177.24-19,766.89-3,817.40

Finding the Fourth Proportional to 13,177.24, 19,766.89 and 3,817.40

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Solution

The fourth proportional to 13,177.24, 19,766.89 and 3,817.40 is: 5,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.24 : 19,766.89 = 3,817.40 : x
  2. Step 2: Convert to fraction form
    13,177.24/19,766.89 = 3,817.40/x
  3. Step 3: Cross multiply
    13,177.24x = 19,766.89 × 3,817.40
  4. Step 4: Simplify right side
    13,177.24x = 75,458,076.20
  5. Step 5: Solve for x
    x = 75,458,076.20/13,177.24
  6. Step 6: Final answer
    x = 5,726.39

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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.