Home / 18,431.31-27,648.41-6,744.27

Finding the Fourth Proportional to 18,431.31, 27,648.41 and 6,744.27

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Solution

The fourth proportional to 18,431.31, 27,648.41 and 6,744.27 is: 10,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.31 : 27,648.41 = 6,744.27 : x
  2. Step 2: Convert to fraction form
    18,431.31/27,648.41 = 6,744.27/x
  3. Step 3: Cross multiply
    18,431.31x = 27,648.41 × 6,744.27
  4. Step 4: Simplify right side
    18,431.31x = 186,468,308.39
  5. Step 5: Solve for x
    x = 186,468,308.39/18,431.31
  6. Step 6: Final answer
    x = 10,116.93

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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.