Home / 11,401.10-17,103.40-3,081.39

Finding the Fourth Proportional to 11,401.10, 17,103.40 and 3,081.39

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Solution

The fourth proportional to 11,401.10, 17,103.40 and 3,081.39 is: 4,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.10 : 17,103.40 = 3,081.39 : x
  2. Step 2: Convert to fraction form
    11,401.10/17,103.40 = 3,081.39/x
  3. Step 3: Cross multiply
    11,401.10x = 17,103.40 × 3,081.39
  4. Step 4: Simplify right side
    11,401.10x = 52,702,287.42
  5. Step 5: Solve for x
    x = 52,702,287.42/11,401.10
  6. Step 6: Final answer
    x = 4,622.56

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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.