Home / 18,485.64-27,728.58-7,393.26

Finding the Fourth Proportional to 18,485.64, 27,728.58 and 7,393.26

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Solution

The fourth proportional to 18,485.64, 27,728.58 and 7,393.26 is: 11,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.64 : 27,728.58 = 7,393.26 : x
  2. Step 2: Convert to fraction form
    18,485.64/27,728.58 = 7,393.26/x
  3. Step 3: Cross multiply
    18,485.64x = 27,728.58 × 7,393.26
  4. Step 4: Simplify right side
    18,485.64x = 205,004,601.37
  5. Step 5: Solve for x
    x = 205,004,601.37/18,485.64
  6. Step 6: Final answer
    x = 11,089.94

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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.