Home / 18,088.58-27,137.09-5,607.95

Finding the Fourth Proportional to 18,088.58, 27,137.09 and 5,607.95

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Solution

The fourth proportional to 18,088.58, 27,137.09 and 5,607.95 is: 8,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.58 : 27,137.09 = 5,607.95 : x
  2. Step 2: Convert to fraction form
    18,088.58/27,137.09 = 5,607.95/x
  3. Step 3: Cross multiply
    18,088.58x = 27,137.09 × 5,607.95
  4. Step 4: Simplify right side
    18,088.58x = 152,183,415.83
  5. Step 5: Solve for x
    x = 152,183,415.83/18,088.58
  6. Step 6: Final answer
    x = 8,413.23

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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.