Home / 20,273.03-30,383.40-8,413.40

Finding the Fourth Proportional to 20,273.03, 30,383.40 and 8,413.40

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Solution

The fourth proportional to 20,273.03, 30,383.40 and 8,413.40 is: 12,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.03 : 30,383.40 = 8,413.40 : x
  2. Step 2: Convert to fraction form
    20,273.03/30,383.40 = 8,413.40/x
  3. Step 3: Cross multiply
    20,273.03x = 30,383.40 × 8,413.40
  4. Step 4: Simplify right side
    20,273.03x = 255,627,697.56
  5. Step 5: Solve for x
    x = 255,627,697.56/20,273.03
  6. Step 6: Final answer
    x = 12,609.25

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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.