Home / 11,413.40-17,119.74-6,765.26

Finding the Fourth Proportional to 11,413.40, 17,119.74 and 6,765.26

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Solution

The fourth proportional to 11,413.40, 17,119.74 and 6,765.26 is: 10,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.40 : 17,119.74 = 6,765.26 : x
  2. Step 2: Convert to fraction form
    11,413.40/17,119.74 = 6,765.26/x
  3. Step 3: Cross multiply
    11,413.40x = 17,119.74 × 6,765.26
  4. Step 4: Simplify right side
    11,413.40x = 115,819,492.23
  5. Step 5: Solve for x
    x = 115,819,492.23/11,413.40
  6. Step 6: Final answer
    x = 10,147.68

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1.5x scale

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.