Home / 18,485.36-27,727.23-5,338.28

Finding the Fourth Proportional to 18,485.36, 27,727.23 and 5,338.28

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Solution

The fourth proportional to 18,485.36, 27,727.23 and 5,338.28 is: 8,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.36 : 27,727.23 = 5,338.28 : x
  2. Step 2: Convert to fraction form
    18,485.36/27,727.23 = 5,338.28/x
  3. Step 3: Cross multiply
    18,485.36x = 27,727.23 × 5,338.28
  4. Step 4: Simplify right side
    18,485.36x = 148,015,717.36
  5. Step 5: Solve for x
    x = 148,015,717.36/18,485.36
  6. Step 6: Final answer
    x = 8,007.19

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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.