Home / 12,351.69-18,522.91-4,452.06

Finding the Fourth Proportional to 12,351.69, 18,522.91 and 4,452.06

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Solution

The fourth proportional to 12,351.69, 18,522.91 and 4,452.06 is: 6,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.69 : 18,522.91 = 4,452.06 : x
  2. Step 2: Convert to fraction form
    12,351.69/18,522.91 = 4,452.06/x
  3. Step 3: Cross multiply
    12,351.69x = 18,522.91 × 4,452.06
  4. Step 4: Simplify right side
    12,351.69x = 82,465,181.72
  5. Step 5: Solve for x
    x = 82,465,181.72/12,351.69
  6. Step 6: Final answer
    x = 6,676.43

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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.