Home / 22,366.37-30,867.20-13,413.71

Finding the Fourth Proportional to 22,366.37, 30,867.20 and 13,413.71

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Solution

The fourth proportional to 22,366.37, 30,867.20 and 13,413.71 is: 18,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.37 : 30,867.20 = 13,413.71 : x
  2. Step 2: Convert to fraction form
    22,366.37/30,867.20 = 13,413.71/x
  3. Step 3: Cross multiply
    22,366.37x = 30,867.20 × 13,413.71
  4. Step 4: Simplify right side
    22,366.37x = 414,043,669.31
  5. Step 5: Solve for x
    x = 414,043,669.31/22,366.37
  6. Step 6: Final answer
    x = 18,511.89

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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.