Home / 9,413.87-12,999.78-6,062.57

Finding the Fourth Proportional to 9,413.87, 12,999.78 and 6,062.57

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Solution

The fourth proportional to 9,413.87, 12,999.78 and 6,062.57 is: 8,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.87 : 12,999.78 = 6,062.57 : x
  2. Step 2: Convert to fraction form
    9,413.87/12,999.78 = 6,062.57/x
  3. Step 3: Cross multiply
    9,413.87x = 12,999.78 × 6,062.57
  4. Step 4: Simplify right side
    9,413.87x = 78,812,076.23
  5. Step 5: Solve for x
    x = 78,812,076.23/9,413.87
  6. Step 6: Final answer
    x = 8,371.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.