Home / 13,206.26-19,816.68-5,413.25

Finding the Fourth Proportional to 13,206.26, 19,816.68 and 5,413.25

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Solution

The fourth proportional to 13,206.26, 19,816.68 and 5,413.25 is: 8,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.26 : 19,816.68 = 5,413.25 : x
  2. Step 2: Convert to fraction form
    13,206.26/19,816.68 = 5,413.25/x
  3. Step 3: Cross multiply
    13,206.26x = 19,816.68 × 5,413.25
  4. Step 4: Simplify right side
    13,206.26x = 107,272,643.01
  5. Step 5: Solve for x
    x = 107,272,643.01/13,206.26
  6. Step 6: Final answer
    x = 8,122.86

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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.