Home / 12,867.95-19,297.82-4,100.81

Finding the Fourth Proportional to 12,867.95, 19,297.82 and 4,100.81

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Solution

The fourth proportional to 12,867.95, 19,297.82 and 4,100.81 is: 6,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.95 : 19,297.82 = 4,100.81 : x
  2. Step 2: Convert to fraction form
    12,867.95/19,297.82 = 4,100.81/x
  3. Step 3: Cross multiply
    12,867.95x = 19,297.82 × 4,100.81
  4. Step 4: Simplify right side
    12,867.95x = 79,136,751.73
  5. Step 5: Solve for x
    x = 79,136,751.73/12,867.95
  6. Step 6: Final answer
    x = 6,149.91

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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.