Home / 12,799.88-19,202.42-5,404.36

Finding the Fourth Proportional to 12,799.88, 19,202.42 and 5,404.36

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Solution

The fourth proportional to 12,799.88, 19,202.42 and 5,404.36 is: 8,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.88 : 19,202.42 = 5,404.36 : x
  2. Step 2: Convert to fraction form
    12,799.88/19,202.42 = 5,404.36/x
  3. Step 3: Cross multiply
    12,799.88x = 19,202.42 × 5,404.36
  4. Step 4: Simplify right side
    12,799.88x = 103,776,790.55
  5. Step 5: Solve for x
    x = 103,776,790.55/12,799.88
  6. Step 6: Final answer
    x = 8,107.64

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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.