Home / 11,408.54-17,115.21-4,292.82

Finding the Fourth Proportional to 11,408.54, 17,115.21 and 4,292.82

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Solution

The fourth proportional to 11,408.54, 17,115.21 and 4,292.82 is: 6,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.54 : 17,115.21 = 4,292.82 : x
  2. Step 2: Convert to fraction form
    11,408.54/17,115.21 = 4,292.82/x
  3. Step 3: Cross multiply
    11,408.54x = 17,115.21 × 4,292.82
  4. Step 4: Simplify right side
    11,408.54x = 73,472,515.79
  5. Step 5: Solve for x
    x = 73,472,515.79/11,408.54
  6. Step 6: Final answer
    x = 6,440.14

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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.