Home / 13,261.98-19,891.46-3,401.48

Finding the Fourth Proportional to 13,261.98, 19,891.46 and 3,401.48

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Solution

The fourth proportional to 13,261.98, 19,891.46 and 3,401.48 is: 5,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.98 : 19,891.46 = 3,401.48 : x
  2. Step 2: Convert to fraction form
    13,261.98/19,891.46 = 3,401.48/x
  3. Step 3: Cross multiply
    13,261.98x = 19,891.46 × 3,401.48
  4. Step 4: Simplify right side
    13,261.98x = 67,660,403.36
  5. Step 5: Solve for x
    x = 67,660,403.36/13,261.98
  6. Step 6: Final answer
    x = 5,101.83

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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.