Home / 13,774.30-20,661.08-4,413.94

Finding the Fourth Proportional to 13,774.30, 20,661.08 and 4,413.94

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Solution

The fourth proportional to 13,774.30, 20,661.08 and 4,413.94 is: 6,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.30 : 20,661.08 = 4,413.94 : x
  2. Step 2: Convert to fraction form
    13,774.30/20,661.08 = 4,413.94/x
  3. Step 3: Cross multiply
    13,774.30x = 20,661.08 × 4,413.94
  4. Step 4: Simplify right side
    13,774.30x = 91,196,809.95
  5. Step 5: Solve for x
    x = 91,196,809.95/13,774.30
  6. Step 6: Final answer
    x = 6,620.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.