Home / 12,250.95-16,915.82-9,413.84

Finding the Fourth Proportional to 12,250.95, 16,915.82 and 9,413.84

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Solution

The fourth proportional to 12,250.95, 16,915.82 and 9,413.84 is: 12,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.95 : 16,915.82 = 9,413.84 : x
  2. Step 2: Convert to fraction form
    12,250.95/16,915.82 = 9,413.84/x
  3. Step 3: Cross multiply
    12,250.95x = 16,915.82 × 9,413.84
  4. Step 4: Simplify right side
    12,250.95x = 159,242,691.30
  5. Step 5: Solve for x
    x = 159,242,691.30/12,250.95
  6. Step 6: Final answer
    x = 12,998.40

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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.