Home / 12,275.26-18,413.55-3,954.67

Finding the Fourth Proportional to 12,275.26, 18,413.55 and 3,954.67

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Solution

The fourth proportional to 12,275.26, 18,413.55 and 3,954.67 is: 5,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.26 : 18,413.55 = 3,954.67 : x
  2. Step 2: Convert to fraction form
    12,275.26/18,413.55 = 3,954.67/x
  3. Step 3: Cross multiply
    12,275.26x = 18,413.55 × 3,954.67
  4. Step 4: Simplify right side
    12,275.26x = 72,819,513.78
  5. Step 5: Solve for x
    x = 72,819,513.78/12,275.26
  6. Step 6: Final answer
    x = 5,932.22

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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.