Home / 11,620.92-17,442.81-8,292.83

Finding the Fourth Proportional to 11,620.92, 17,442.81 and 8,292.83

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Solution

The fourth proportional to 11,620.92, 17,442.81 and 8,292.83 is: 12,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.92 : 17,442.81 = 8,292.83 : x
  2. Step 2: Convert to fraction form
    11,620.92/17,442.81 = 8,292.83/x
  3. Step 3: Cross multiply
    11,620.92x = 17,442.81 × 8,292.83
  4. Step 4: Simplify right side
    11,620.92x = 144,650,170.84
  5. Step 5: Solve for x
    x = 144,650,170.84/11,620.92
  6. Step 6: Final answer
    x = 12,447.39

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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.