Home / 12,716.64-19,075.92-3,952.16

Finding the Fourth Proportional to 12,716.64, 19,075.92 and 3,952.16

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Solution

The fourth proportional to 12,716.64, 19,075.92 and 3,952.16 is: 5,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.64 : 19,075.92 = 3,952.16 : x
  2. Step 2: Convert to fraction form
    12,716.64/19,075.92 = 3,952.16/x
  3. Step 3: Cross multiply
    12,716.64x = 19,075.92 × 3,952.16
  4. Step 4: Simplify right side
    12,716.64x = 75,391,087.99
  5. Step 5: Solve for x
    x = 75,391,087.99/12,716.64
  6. Step 6: Final answer
    x = 5,928.54

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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.