Home / 18,330.64-27,474.32-7,794.31

Finding the Fourth Proportional to 18,330.64, 27,474.32 and 7,794.31

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Solution

The fourth proportional to 18,330.64, 27,474.32 and 7,794.31 is: 11,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.64 : 27,474.32 = 7,794.31 : x
  2. Step 2: Convert to fraction form
    18,330.64/27,474.32 = 7,794.31/x
  3. Step 3: Cross multiply
    18,330.64x = 27,474.32 × 7,794.31
  4. Step 4: Simplify right side
    18,330.64x = 214,143,367.12
  5. Step 5: Solve for x
    x = 214,143,367.12/18,330.64
  6. Step 6: Final answer
    x = 11,682.26

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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.