Home / 13,413.36-20,123.62-4,648.27

Finding the Fourth Proportional to 13,413.36, 20,123.62 and 4,648.27

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Solution

The fourth proportional to 13,413.36, 20,123.62 and 4,648.27 is: 6,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.36 : 20,123.62 = 4,648.27 : x
  2. Step 2: Convert to fraction form
    13,413.36/20,123.62 = 4,648.27/x
  3. Step 3: Cross multiply
    13,413.36x = 20,123.62 × 4,648.27
  4. Step 4: Simplify right side
    13,413.36x = 93,540,021.09
  5. Step 5: Solve for x
    x = 93,540,021.09/13,413.36
  6. Step 6: Final answer
    x = 6,973.64

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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.