Home / 12,251.06-16,915.98-9,413.96

Finding the Fourth Proportional to 12,251.06, 16,915.98 and 9,413.96

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Solution

The fourth proportional to 12,251.06, 16,915.98 and 9,413.96 is: 12,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.06 : 16,915.98 = 9,413.96 : x
  2. Step 2: Convert to fraction form
    12,251.06/16,915.98 = 9,413.96/x
  3. Step 3: Cross multiply
    12,251.06x = 16,915.98 × 9,413.96
  4. Step 4: Simplify right side
    12,251.06x = 159,246,436.67
  5. Step 5: Solve for x
    x = 159,246,436.67/12,251.06
  6. Step 6: Final answer
    x = 12,998.59

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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.