Home / 13,413.32-20,133.99-9,907.29

Finding the Fourth Proportional to 13,413.32, 20,133.99 and 9,907.29

Calculator

Solution

The fourth proportional to 13,413.32, 20,133.99 and 9,907.29 is: 14,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.32 : 20,133.99 = 9,907.29 : x
  2. Step 2: Convert to fraction form
    13,413.32/20,133.99 = 9,907.29/x
  3. Step 3: Cross multiply
    13,413.32x = 20,133.99 × 9,907.29
  4. Step 4: Simplify right side
    13,413.32x = 199,473,249.02
  5. Step 5: Solve for x
    x = 199,473,249.02/13,413.32
  6. Step 6: Final answer
    x = 14,871.28

Related Problems

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.