Home / 11,168.90-15,413.00-6,133.19

Finding the Fourth Proportional to 11,168.90, 15,413.00 and 6,133.19

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Solution

The fourth proportional to 11,168.90, 15,413.00 and 6,133.19 is: 8,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.90 : 15,413.00 = 6,133.19 : x
  2. Step 2: Convert to fraction form
    11,168.90/15,413.00 = 6,133.19/x
  3. Step 3: Cross multiply
    11,168.90x = 15,413.00 × 6,133.19
  4. Step 4: Simplify right side
    11,168.90x = 94,530,749.74
  5. Step 5: Solve for x
    x = 94,530,749.74/11,168.90
  6. Step 6: Final answer
    x = 8,463.75

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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.