Home / 11,907.42-16,413.30-9,385.44

Finding the Fourth Proportional to 11,907.42, 16,413.30 and 9,385.44

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Solution

The fourth proportional to 11,907.42, 16,413.30 and 9,385.44 is: 12,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.42 : 16,413.30 = 9,385.44 : x
  2. Step 2: Convert to fraction form
    11,907.42/16,413.30 = 9,385.44/x
  3. Step 3: Cross multiply
    11,907.42x = 16,413.30 × 9,385.44
  4. Step 4: Simplify right side
    11,907.42x = 154,046,042.35
  5. Step 5: Solve for x
    x = 154,046,042.35/11,907.42
  6. Step 6: Final answer
    x = 12,936.98

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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.