Home / 22,039.20-30,413.98-11,967.55

Finding the Fourth Proportional to 22,039.20, 30,413.98 and 11,967.55

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Solution

The fourth proportional to 22,039.20, 30,413.98 and 11,967.55 is: 16,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.20 : 30,413.98 = 11,967.55 : x
  2. Step 2: Convert to fraction form
    22,039.20/30,413.98 = 11,967.55/x
  3. Step 3: Cross multiply
    22,039.20x = 30,413.98 × 11,967.55
  4. Step 4: Simplify right side
    22,039.20x = 363,980,765.27
  5. Step 5: Solve for x
    x = 363,980,765.27/22,039.20
  6. Step 6: Final answer
    x = 16,515.16

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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.