Home / 18,921.44-26,107.24-10,851.36

Finding the Fourth Proportional to 18,921.44, 26,107.24 and 10,851.36

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Solution

The fourth proportional to 18,921.44, 26,107.24 and 10,851.36 is: 14,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.44 : 26,107.24 = 10,851.36 : x
  2. Step 2: Convert to fraction form
    18,921.44/26,107.24 = 10,851.36/x
  3. Step 3: Cross multiply
    18,921.44x = 26,107.24 × 10,851.36
  4. Step 4: Simplify right side
    18,921.44x = 283,299,059.85
  5. Step 5: Solve for x
    x = 283,299,059.85/18,921.44
  6. Step 6: Final answer
    x = 14,972.38

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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.