Home / 18,477.24-27,718.61-6,789.56

Finding the Fourth Proportional to 18,477.24, 27,718.61 and 6,789.56

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Solution

The fourth proportional to 18,477.24, 27,718.61 and 6,789.56 is: 10,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.24 : 27,718.61 = 6,789.56 : x
  2. Step 2: Convert to fraction form
    18,477.24/27,718.61 = 6,789.56/x
  3. Step 3: Cross multiply
    18,477.24x = 27,718.61 × 6,789.56
  4. Step 4: Simplify right side
    18,477.24x = 188,196,993.17
  5. Step 5: Solve for x
    x = 188,196,993.17/18,477.24
  6. Step 6: Final answer
    x = 10,185.34

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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.