Home / 18,413.07-27,629.52-7,319.87

Finding the Fourth Proportional to 18,413.07, 27,629.52 and 7,319.87

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Solution

The fourth proportional to 18,413.07, 27,629.52 and 7,319.87 is: 10,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.07 : 27,629.52 = 7,319.87 : x
  2. Step 2: Convert to fraction form
    18,413.07/27,629.52 = 7,319.87/x
  3. Step 3: Cross multiply
    18,413.07x = 27,629.52 × 7,319.87
  4. Step 4: Simplify right side
    18,413.07x = 202,244,356.41
  5. Step 5: Solve for x
    x = 202,244,356.41/18,413.07
  6. Step 6: Final answer
    x = 10,983.74

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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.