Home / 13,949.54-20,919.86-4,587.41

Finding the Fourth Proportional to 13,949.54, 20,919.86 and 4,587.41

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Solution

The fourth proportional to 13,949.54, 20,919.86 and 4,587.41 is: 6,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.54 : 20,919.86 = 4,587.41 : x
  2. Step 2: Convert to fraction form
    13,949.54/20,919.86 = 4,587.41/x
  3. Step 3: Cross multiply
    13,949.54x = 20,919.86 × 4,587.41
  4. Step 4: Simplify right side
    13,949.54x = 95,968,021.53
  5. Step 5: Solve for x
    x = 95,968,021.53/13,949.54
  6. Step 6: Final answer
    x = 6,879.65

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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.