Home / 11,413.64-17,120.77-4,838.67

Finding the Fourth Proportional to 11,413.64, 17,120.77 and 4,838.67

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Solution

The fourth proportional to 11,413.64, 17,120.77 and 4,838.67 is: 7,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.64 : 17,120.77 = 4,838.67 : x
  2. Step 2: Convert to fraction form
    11,413.64/17,120.77 = 4,838.67/x
  3. Step 3: Cross multiply
    11,413.64x = 17,120.77 × 4,838.67
  4. Step 4: Simplify right side
    11,413.64x = 82,841,744.08
  5. Step 5: Solve for x
    x = 82,841,744.08/11,413.64
  6. Step 6: Final answer
    x = 7,258.13

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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.