Home / 13,199.78-19,797.84-3,338.46

Finding the Fourth Proportional to 13,199.78, 19,797.84 and 3,338.46

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Solution

The fourth proportional to 13,199.78, 19,797.84 and 3,338.46 is: 5,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.78 : 19,797.84 = 3,338.46 : x
  2. Step 2: Convert to fraction form
    13,199.78/19,797.84 = 3,338.46/x
  3. Step 3: Cross multiply
    13,199.78x = 19,797.84 × 3,338.46
  4. Step 4: Simplify right side
    13,199.78x = 66,094,296.93
  5. Step 5: Solve for x
    x = 66,094,296.93/13,199.78
  6. Step 6: Final answer
    x = 5,007.23

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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.