Home / 12,716.83-19,075.25-3,951.75

Finding the Fourth Proportional to 12,716.83, 19,075.25 and 3,951.75

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Solution

The fourth proportional to 12,716.83, 19,075.25 and 3,951.75 is: 5,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.83 : 19,075.25 = 3,951.75 : x
  2. Step 2: Convert to fraction form
    12,716.83/19,075.25 = 3,951.75/x
  3. Step 3: Cross multiply
    12,716.83x = 19,075.25 × 3,951.75
  4. Step 4: Simplify right side
    12,716.83x = 75,380,619.19
  5. Step 5: Solve for x
    x = 75,380,619.19/12,716.83
  6. Step 6: Final answer
    x = 5,927.63

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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.