Home / 11,246.26-15,521.05-8,408.74

Finding the Fourth Proportional to 11,246.26, 15,521.05 and 8,408.74

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Solution

The fourth proportional to 11,246.26, 15,521.05 and 8,408.74 is: 11,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.26 : 15,521.05 = 8,408.74 : x
  2. Step 2: Convert to fraction form
    11,246.26/15,521.05 = 8,408.74/x
  3. Step 3: Cross multiply
    11,246.26x = 15,521.05 × 8,408.74
  4. Step 4: Simplify right side
    11,246.26x = 130,512,414.15
  5. Step 5: Solve for x
    x = 130,512,414.15/11,246.26
  6. Step 6: Final answer
    x = 11,604.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.