Home / 18,308.32-27,464.31-8,450.42

Finding the Fourth Proportional to 18,308.32, 27,464.31 and 8,450.42

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Solution

The fourth proportional to 18,308.32, 27,464.31 and 8,450.42 is: 12,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.32 : 27,464.31 = 8,450.42 : x
  2. Step 2: Convert to fraction form
    18,308.32/27,464.31 = 8,450.42/x
  3. Step 3: Cross multiply
    18,308.32x = 27,464.31 × 8,450.42
  4. Step 4: Simplify right side
    18,308.32x = 232,084,817.19
  5. Step 5: Solve for x
    x = 232,084,817.19/18,308.32
  6. Step 6: Final answer
    x = 12,676.47

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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.