Home / 12,839.73-19,260.77-4,075.94

Finding the Fourth Proportional to 12,839.73, 19,260.77 and 4,075.94

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Solution

The fourth proportional to 12,839.73, 19,260.77 and 4,075.94 is: 6,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.73 : 19,260.77 = 4,075.94 : x
  2. Step 2: Convert to fraction form
    12,839.73/19,260.77 = 4,075.94/x
  3. Step 3: Cross multiply
    12,839.73x = 19,260.77 × 4,075.94
  4. Step 4: Simplify right side
    12,839.73x = 78,505,626.19
  5. Step 5: Solve for x
    x = 78,505,626.19/12,839.73
  6. Step 6: Final answer
    x = 6,114.27

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1.5x scale

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.