Home / 11,682.33-16,102.41-8,280.48

Finding the Fourth Proportional to 11,682.33, 16,102.41 and 8,280.48

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Solution

The fourth proportional to 11,682.33, 16,102.41 and 8,280.48 is: 11,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.33 : 16,102.41 = 8,280.48 : x
  2. Step 2: Convert to fraction form
    11,682.33/16,102.41 = 8,280.48/x
  3. Step 3: Cross multiply
    11,682.33x = 16,102.41 × 8,280.48
  4. Step 4: Simplify right side
    11,682.33x = 133,335,683.96
  5. Step 5: Solve for x
    x = 133,335,683.96/11,682.33
  6. Step 6: Final answer
    x = 11,413.45

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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.