Home / 19,413.81-29,093.13-8,857.89

Finding the Fourth Proportional to 19,413.81, 29,093.13 and 8,857.89

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Solution

The fourth proportional to 19,413.81, 29,093.13 and 8,857.89 is: 13,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.81 : 29,093.13 = 8,857.89 : x
  2. Step 2: Convert to fraction form
    19,413.81/29,093.13 = 8,857.89/x
  3. Step 3: Cross multiply
    19,413.81x = 29,093.13 × 8,857.89
  4. Step 4: Simplify right side
    19,413.81x = 257,703,745.30
  5. Step 5: Solve for x
    x = 257,703,745.30/19,413.81
  6. Step 6: Final answer
    x = 13,274.25

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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.