Home / 13,382.19-18,467.55-7,413.93

Finding the Fourth Proportional to 13,382.19, 18,467.55 and 7,413.93

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Solution

The fourth proportional to 13,382.19, 18,467.55 and 7,413.93 is: 10,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.19 : 18,467.55 = 7,413.93 : x
  2. Step 2: Convert to fraction form
    13,382.19/18,467.55 = 7,413.93/x
  3. Step 3: Cross multiply
    13,382.19x = 18,467.55 × 7,413.93
  4. Step 4: Simplify right side
    13,382.19x = 136,917,122.97
  5. Step 5: Solve for x
    x = 136,917,122.97/13,382.19
  6. Step 6: Final answer
    x = 10,231.29

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Double scale
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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.