Home / 10,392.12-14,341.12-6,413.20

Finding the Fourth Proportional to 10,392.12, 14,341.12 and 6,413.20

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Solution

The fourth proportional to 10,392.12, 14,341.12 and 6,413.20 is: 8,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.12 : 14,341.12 = 6,413.20 : x
  2. Step 2: Convert to fraction form
    10,392.12/14,341.12 = 6,413.20/x
  3. Step 3: Cross multiply
    10,392.12x = 14,341.12 × 6,413.20
  4. Step 4: Simplify right side
    10,392.12x = 91,972,418.90
  5. Step 5: Solve for x
    x = 91,972,418.90/10,392.12
  6. Step 6: Final answer
    x = 8,850.21

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