Home / 18,406.54-27,610.73-5,260.85

Finding the Fourth Proportional to 18,406.54, 27,610.73 and 5,260.85

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Solution

The fourth proportional to 18,406.54, 27,610.73 and 5,260.85 is: 7,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.54 : 27,610.73 = 5,260.85 : x
  2. Step 2: Convert to fraction form
    18,406.54/27,610.73 = 5,260.85/x
  3. Step 3: Cross multiply
    18,406.54x = 27,610.73 × 5,260.85
  4. Step 4: Simplify right side
    18,406.54x = 145,255,908.92
  5. Step 5: Solve for x
    x = 145,255,908.92/18,406.54
  6. Step 6: Final answer
    x = 7,891.54

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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.