Home / 18,499.08-27,735.64-6,810.80

Finding the Fourth Proportional to 18,499.08, 27,735.64 and 6,810.80

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Solution

The fourth proportional to 18,499.08, 27,735.64 and 6,810.80 is: 10,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.08 : 27,735.64 = 6,810.80 : x
  2. Step 2: Convert to fraction form
    18,499.08/27,735.64 = 6,810.80/x
  3. Step 3: Cross multiply
    18,499.08x = 27,735.64 × 6,810.80
  4. Step 4: Simplify right side
    18,499.08x = 188,901,896.91
  5. Step 5: Solve for x
    x = 188,901,896.91/18,499.08
  6. Step 6: Final answer
    x = 10,211.42

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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.