Home / 18,145.73-27,210.09-10,751.24

Finding the Fourth Proportional to 18,145.73, 27,210.09 and 10,751.24

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Solution

The fourth proportional to 18,145.73, 27,210.09 and 10,751.24 is: 16,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.73 : 27,210.09 = 10,751.24 : x
  2. Step 2: Convert to fraction form
    18,145.73/27,210.09 = 10,751.24/x
  3. Step 3: Cross multiply
    18,145.73x = 27,210.09 × 10,751.24
  4. Step 4: Simplify right side
    18,145.73x = 292,542,208.01
  5. Step 5: Solve for x
    x = 292,542,208.01/18,145.73
  6. Step 6: Final answer
    x = 16,121.82

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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.