Home / 18,243.45-27,366.51-6,556.77

Finding the Fourth Proportional to 18,243.45, 27,366.51 and 6,556.77

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Solution

The fourth proportional to 18,243.45, 27,366.51 and 6,556.77 is: 9,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.45 : 27,366.51 = 6,556.77 : x
  2. Step 2: Convert to fraction form
    18,243.45/27,366.51 = 6,556.77/x
  3. Step 3: Cross multiply
    18,243.45x = 27,366.51 × 6,556.77
  4. Step 4: Simplify right side
    18,243.45x = 179,435,911.77
  5. Step 5: Solve for x
    x = 179,435,911.77/18,243.45
  6. Step 6: Final answer
    x = 9,835.63

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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.