Home / 12,422.26-18,633.36-3,657.16

Finding the Fourth Proportional to 12,422.26, 18,633.36 and 3,657.16

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Solution

The fourth proportional to 12,422.26, 18,633.36 and 3,657.16 is: 5,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.26 : 18,633.36 = 3,657.16 : x
  2. Step 2: Convert to fraction form
    12,422.26/18,633.36 = 3,657.16/x
  3. Step 3: Cross multiply
    12,422.26x = 18,633.36 × 3,657.16
  4. Step 4: Simplify right side
    12,422.26x = 68,145,178.86
  5. Step 5: Solve for x
    x = 68,145,178.86/12,422.26
  6. Step 6: Final answer
    x = 5,485.73

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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.