Home / 15,413.72-23,114.91-5,550.35

Finding the Fourth Proportional to 15,413.72, 23,114.91 and 5,550.35

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Solution

The fourth proportional to 15,413.72, 23,114.91 and 5,550.35 is: 8,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.72 : 23,114.91 = 5,550.35 : x
  2. Step 2: Convert to fraction form
    15,413.72/23,114.91 = 5,550.35/x
  3. Step 3: Cross multiply
    15,413.72x = 23,114.91 × 5,550.35
  4. Step 4: Simplify right side
    15,413.72x = 128,295,840.72
  5. Step 5: Solve for x
    x = 128,295,840.72/15,413.72
  6. Step 6: Final answer
    x = 8,323.48

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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.