Home / 18,091.37-27,129.75-6,995.99

Finding the Fourth Proportional to 18,091.37, 27,129.75 and 6,995.99

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Solution

The fourth proportional to 18,091.37, 27,129.75 and 6,995.99 is: 10,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.37 : 27,129.75 = 6,995.99 : x
  2. Step 2: Convert to fraction form
    18,091.37/27,129.75 = 6,995.99/x
  3. Step 3: Cross multiply
    18,091.37x = 27,129.75 × 6,995.99
  4. Step 4: Simplify right side
    18,091.37x = 189,799,324.05
  5. Step 5: Solve for x
    x = 189,799,324.05/18,091.37
  6. Step 6: Final answer
    x = 10,491.16

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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.