Home / 10,399.11-14,346.69-6,413.28

Finding the Fourth Proportional to 10,399.11, 14,346.69 and 6,413.28

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Solution

The fourth proportional to 10,399.11, 14,346.69 and 6,413.28 is: 8,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.11 : 14,346.69 = 6,413.28 : x
  2. Step 2: Convert to fraction form
    10,399.11/14,346.69 = 6,413.28/x
  3. Step 3: Cross multiply
    10,399.11x = 14,346.69 × 6,413.28
  4. Step 4: Simplify right side
    10,399.11x = 92,009,340.04
  5. Step 5: Solve for x
    x = 92,009,340.04/10,399.11
  6. Step 6: Final answer
    x = 8,847.81

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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.