Home / 9,413.40-14,121.36-3,170.76

Finding the Fourth Proportional to 9,413.40, 14,121.36 and 3,170.76

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Solution

The fourth proportional to 9,413.40, 14,121.36 and 3,170.76 is: 4,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.40 : 14,121.36 = 3,170.76 : x
  2. Step 2: Convert to fraction form
    9,413.40/14,121.36 = 3,170.76/x
  3. Step 3: Cross multiply
    9,413.40x = 14,121.36 × 3,170.76
  4. Step 4: Simplify right side
    9,413.40x = 44,775,443.43
  5. Step 5: Solve for x
    x = 44,775,443.43/9,413.40
  6. Step 6: Final answer
    x = 4,756.56

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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.