Home / 15,413.86-21,249.03-10,369.18

Finding the Fourth Proportional to 15,413.86, 21,249.03 and 10,369.18

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Solution

The fourth proportional to 15,413.86, 21,249.03 and 10,369.18 is: 14,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.86 : 21,249.03 = 10,369.18 : x
  2. Step 2: Convert to fraction form
    15,413.86/21,249.03 = 10,369.18/x
  3. Step 3: Cross multiply
    15,413.86x = 21,249.03 × 10,369.18
  4. Step 4: Simplify right side
    15,413.86x = 220,335,016.90
  5. Step 5: Solve for x
    x = 220,335,016.90/15,413.86
  6. Step 6: Final answer
    x = 14,294.60

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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.