Home / 19,245.15-26,546.76-11,687.64

Finding the Fourth Proportional to 19,245.15, 26,546.76 and 11,687.64

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Solution

The fourth proportional to 19,245.15, 26,546.76 and 11,687.64 is: 16,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.15 : 26,546.76 = 11,687.64 : x
  2. Step 2: Convert to fraction form
    19,245.15/26,546.76 = 11,687.64/x
  3. Step 3: Cross multiply
    19,245.15x = 26,546.76 × 11,687.64
  4. Step 4: Simplify right side
    19,245.15x = 310,268,974.05
  5. Step 5: Solve for x
    x = 310,268,974.05/19,245.15
  6. Step 6: Final answer
    x = 16,121.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.