Home / 18,088.35-27,136.39-5,608.09

Finding the Fourth Proportional to 18,088.35, 27,136.39 and 5,608.09

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Solution

The fourth proportional to 18,088.35, 27,136.39 and 5,608.09 is: 8,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.35 : 27,136.39 = 5,608.09 : x
  2. Step 2: Convert to fraction form
    18,088.35/27,136.39 = 5,608.09/x
  3. Step 3: Cross multiply
    18,088.35x = 27,136.39 × 5,608.09
  4. Step 4: Simplify right side
    18,088.35x = 152,183,317.40
  5. Step 5: Solve for x
    x = 152,183,317.40/18,088.35
  6. Step 6: Final answer
    x = 8,413.33

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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.