Home / 18,837.64-26,005.62-13,273.48

Finding the Fourth Proportional to 18,837.64, 26,005.62 and 13,273.48

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Solution

The fourth proportional to 18,837.64, 26,005.62 and 13,273.48 is: 18,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.64 : 26,005.62 = 13,273.48 : x
  2. Step 2: Convert to fraction form
    18,837.64/26,005.62 = 13,273.48/x
  3. Step 3: Cross multiply
    18,837.64x = 26,005.62 × 13,273.48
  4. Step 4: Simplify right side
    18,837.64x = 345,185,076.96
  5. Step 5: Solve for x
    x = 345,185,076.96/18,837.64
  6. Step 6: Final answer
    x = 18,324.22

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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.