Home / 22,485.54-31,029.87-12,413.99

Finding the Fourth Proportional to 22,485.54, 31,029.87 and 12,413.99

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Solution

The fourth proportional to 22,485.54, 31,029.87 and 12,413.99 is: 17,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.54 : 31,029.87 = 12,413.99 : x
  2. Step 2: Convert to fraction form
    22,485.54/31,029.87 = 12,413.99/x
  3. Step 3: Cross multiply
    22,485.54x = 31,029.87 × 12,413.99
  4. Step 4: Simplify right side
    22,485.54x = 385,204,495.88
  5. Step 5: Solve for x
    x = 385,204,495.88/22,485.54
  6. Step 6: Final answer
    x = 17,131.21

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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.