Home / 13,928.95-20,894.24-5,608.90

Finding the Fourth Proportional to 13,928.95, 20,894.24 and 5,608.90

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Solution

The fourth proportional to 13,928.95, 20,894.24 and 5,608.90 is: 8,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.95 : 20,894.24 = 5,608.90 : x
  2. Step 2: Convert to fraction form
    13,928.95/20,894.24 = 5,608.90/x
  3. Step 3: Cross multiply
    13,928.95x = 20,894.24 × 5,608.90
  4. Step 4: Simplify right side
    13,928.95x = 117,193,702.74
  5. Step 5: Solve for x
    x = 117,193,702.74/13,928.95
  6. Step 6: Final answer
    x = 8,413.68

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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.