Home / 18,656.12-27,954.86-13,028.24

Finding the Fourth Proportional to 18,656.12, 27,954.86 and 13,028.24

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Solution

The fourth proportional to 18,656.12, 27,954.86 and 13,028.24 is: 19,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.12 : 27,954.86 = 13,028.24 : x
  2. Step 2: Convert to fraction form
    18,656.12/27,954.86 = 13,028.24/x
  3. Step 3: Cross multiply
    18,656.12x = 27,954.86 × 13,028.24
  4. Step 4: Simplify right side
    18,656.12x = 364,202,629.99
  5. Step 5: Solve for x
    x = 364,202,629.99/18,656.12
  6. Step 6: Final answer
    x = 19,521.88

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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.