Home / 13,199.12-19,799.30-3,338.50

Finding the Fourth Proportional to 13,199.12, 19,799.30 and 3,338.50

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Solution

The fourth proportional to 13,199.12, 19,799.30 and 3,338.50 is: 5,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.12 : 19,799.30 = 3,338.50 : x
  2. Step 2: Convert to fraction form
    13,199.12/19,799.30 = 3,338.50/x
  3. Step 3: Cross multiply
    13,199.12x = 19,799.30 × 3,338.50
  4. Step 4: Simplify right side
    13,199.12x = 66,099,963.05
  5. Step 5: Solve for x
    x = 66,099,963.05/13,199.12
  6. Step 6: Final answer
    x = 5,007.91

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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.