Home / 11,854.96-16,363-6,819.72

Finding the Fourth Proportional to 11,854.96, 16,363 and 6,819.72

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Solution

The fourth proportional to 11,854.96, 16,363 and 6,819.72 is: 9,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.96 : 16,363 = 6,819.72 : x
  2. Step 2: Convert to fraction form
    11,854.96/16,363 = 6,819.72/x
  3. Step 3: Cross multiply
    11,854.96x = 16,363 × 6,819.72
  4. Step 4: Simplify right side
    11,854.96x = 111,591,078.36
  5. Step 5: Solve for x
    x = 111,591,078.36/11,854.96
  6. Step 6: Final answer
    x = 9,413.03

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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.