Home / 12,186.25-18,268.10-4,393.24

Finding the Fourth Proportional to 12,186.25, 18,268.10 and 4,393.24

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Solution

The fourth proportional to 12,186.25, 18,268.10 and 4,393.24 is: 6,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.25 : 18,268.10 = 4,393.24 : x
  2. Step 2: Convert to fraction form
    12,186.25/18,268.10 = 4,393.24/x
  3. Step 3: Cross multiply
    12,186.25x = 18,268.10 × 4,393.24
  4. Step 4: Simplify right side
    12,186.25x = 80,256,096.48
  5. Step 5: Solve for x
    x = 80,256,096.48/12,186.25
  6. Step 6: Final answer
    x = 6,585.79

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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.