Home / 16,939.24-25,413.72-11,088.64

Finding the Fourth Proportional to 16,939.24, 25,413.72 and 11,088.64

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Solution

The fourth proportional to 16,939.24, 25,413.72 and 11,088.64 is: 16,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.24 : 25,413.72 = 11,088.64 : x
  2. Step 2: Convert to fraction form
    16,939.24/25,413.72 = 11,088.64/x
  3. Step 3: Cross multiply
    16,939.24x = 25,413.72 × 11,088.64
  4. Step 4: Simplify right side
    16,939.24x = 281,803,592.14
  5. Step 5: Solve for x
    x = 281,803,592.14/16,939.24
  6. Step 6: Final answer
    x = 16,636.14

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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.