Home / 13,413.26-18,509.42-7,444.93

Finding the Fourth Proportional to 13,413.26, 18,509.42 and 7,444.93

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Solution

The fourth proportional to 13,413.26, 18,509.42 and 7,444.93 is: 10,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.26 : 18,509.42 = 7,444.93 : x
  2. Step 2: Convert to fraction form
    13,413.26/18,509.42 = 7,444.93/x
  3. Step 3: Cross multiply
    13,413.26x = 18,509.42 × 7,444.93
  4. Step 4: Simplify right side
    13,413.26x = 137,801,262.31
  5. Step 5: Solve for x
    x = 137,801,262.31/13,413.26
  6. Step 6: Final answer
    x = 10,273.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.