Home / 13,876.95-20,815.62-4,517.02

Finding the Fourth Proportional to 13,876.95, 20,815.62 and 4,517.02

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Solution

The fourth proportional to 13,876.95, 20,815.62 and 4,517.02 is: 6,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.95 : 20,815.62 = 4,517.02 : x
  2. Step 2: Convert to fraction form
    13,876.95/20,815.62 = 4,517.02/x
  3. Step 3: Cross multiply
    13,876.95x = 20,815.62 × 4,517.02
  4. Step 4: Simplify right side
    13,876.95x = 94,024,571.85
  5. Step 5: Solve for x
    x = 94,024,571.85/13,876.95
  6. Step 6: Final answer
    x = 6,775.59

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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.