Home / 13,413.25-18,509.43-7,444.93

Finding the Fourth Proportional to 13,413.25, 18,509.43 and 7,444.93

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Solution

The fourth proportional to 13,413.25, 18,509.43 and 7,444.93 is: 10,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.25 : 18,509.43 = 7,444.93 : x
  2. Step 2: Convert to fraction form
    13,413.25/18,509.43 = 7,444.93/x
  3. Step 3: Cross multiply
    13,413.25x = 18,509.43 × 7,444.93
  4. Step 4: Simplify right side
    13,413.25x = 137,801,410.69
  5. Step 5: Solve for x
    x = 137,801,410.69/13,413.25
  6. Step 6: Final answer
    x = 10,273.53

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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.