Home / 13,195.95-19,787.49-4,879.86

Finding the Fourth Proportional to 13,195.95, 19,787.49 and 4,879.86

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Solution

The fourth proportional to 13,195.95, 19,787.49 and 4,879.86 is: 7,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.95 : 19,787.49 = 4,879.86 : x
  2. Step 2: Convert to fraction form
    13,195.95/19,787.49 = 4,879.86/x
  3. Step 3: Cross multiply
    13,195.95x = 19,787.49 × 4,879.86
  4. Step 4: Simplify right side
    13,195.95x = 96,560,180.95
  5. Step 5: Solve for x
    x = 96,560,180.95/13,195.95
  6. Step 6: Final answer
    x = 7,317.41

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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.