Home / 12,250.20-16,914.78-9,413.09

Finding the Fourth Proportional to 12,250.20, 16,914.78 and 9,413.09

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Solution

The fourth proportional to 12,250.20, 16,914.78 and 9,413.09 is: 12,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.20 : 16,914.78 = 9,413.09 : x
  2. Step 2: Convert to fraction form
    12,250.20/16,914.78 = 9,413.09/x
  3. Step 3: Cross multiply
    12,250.20x = 16,914.78 × 9,413.09
  4. Step 4: Simplify right side
    12,250.20x = 159,220,261.90
  5. Step 5: Solve for x
    x = 159,220,261.90/12,250.20
  6. Step 6: Final answer
    x = 12,997.36

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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.