Home / 20,413.74-30,606.68-10,393.86

Finding the Fourth Proportional to 20,413.74, 30,606.68 and 10,393.86

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Solution

The fourth proportional to 20,413.74, 30,606.68 and 10,393.86 is: 15,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.74 : 30,606.68 = 10,393.86 : x
  2. Step 2: Convert to fraction form
    20,413.74/30,606.68 = 10,393.86/x
  3. Step 3: Cross multiply
    20,413.74x = 30,606.68 × 10,393.86
  4. Step 4: Simplify right side
    20,413.74x = 318,121,546.98
  5. Step 5: Solve for x
    x = 318,121,546.98/20,413.74
  6. Step 6: Final answer
    x = 15,583.70

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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.