Home / 18,030.09-27,021.57-13,049.23

Finding the Fourth Proportional to 18,030.09, 27,021.57 and 13,049.23

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Solution

The fourth proportional to 18,030.09, 27,021.57 and 13,049.23 is: 19,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.09 : 27,021.57 = 13,049.23 : x
  2. Step 2: Convert to fraction form
    18,030.09/27,021.57 = 13,049.23/x
  3. Step 3: Cross multiply
    18,030.09x = 27,021.57 × 13,049.23
  4. Step 4: Simplify right side
    18,030.09x = 352,610,616.07
  5. Step 5: Solve for x
    x = 352,610,616.07/18,030.09
  6. Step 6: Final answer
    x = 19,556.79

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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.