Home / 20,413.76-30,620.70-6,572.48

Finding the Fourth Proportional to 20,413.76, 30,620.70 and 6,572.48

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Solution

The fourth proportional to 20,413.76, 30,620.70 and 6,572.48 is: 9,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.76 : 30,620.70 = 6,572.48 : x
  2. Step 2: Convert to fraction form
    20,413.76/30,620.70 = 6,572.48/x
  3. Step 3: Cross multiply
    20,413.76x = 30,620.70 × 6,572.48
  4. Step 4: Simplify right side
    20,413.76x = 201,253,938.34
  5. Step 5: Solve for x
    x = 201,253,938.34/20,413.76
  6. Step 6: Final answer
    x = 9,858.74

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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.