Home / 18,220.68-27,323.37-6,371.91

Finding the Fourth Proportional to 18,220.68, 27,323.37 and 6,371.91

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Solution

The fourth proportional to 18,220.68, 27,323.37 and 6,371.91 is: 9,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.68 : 27,323.37 = 6,371.91 : x
  2. Step 2: Convert to fraction form
    18,220.68/27,323.37 = 6,371.91/x
  3. Step 3: Cross multiply
    18,220.68x = 27,323.37 × 6,371.91
  4. Step 4: Simplify right side
    18,220.68x = 174,102,054.54
  5. Step 5: Solve for x
    x = 174,102,054.54/18,220.68
  6. Step 6: Final answer
    x = 9,555.19

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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.