Home / 12,799.08-19,198.56-5,401.56

Finding the Fourth Proportional to 12,799.08, 19,198.56 and 5,401.56

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Solution

The fourth proportional to 12,799.08, 19,198.56 and 5,401.56 is: 8,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.08 : 19,198.56 = 5,401.56 : x
  2. Step 2: Convert to fraction form
    12,799.08/19,198.56 = 5,401.56/x
  3. Step 3: Cross multiply
    12,799.08x = 19,198.56 × 5,401.56
  4. Step 4: Simplify right side
    12,799.08x = 103,702,173.75
  5. Step 5: Solve for x
    x = 103,702,173.75/12,799.08
  6. Step 6: Final answer
    x = 8,102.31

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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.