Home / 18,021.03-27,048.83-10,236.39

Finding the Fourth Proportional to 18,021.03, 27,048.83 and 10,236.39

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Solution

The fourth proportional to 18,021.03, 27,048.83 and 10,236.39 is: 15,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.03 : 27,048.83 = 10,236.39 : x
  2. Step 2: Convert to fraction form
    18,021.03/27,048.83 = 10,236.39/x
  3. Step 3: Cross multiply
    18,021.03x = 27,048.83 × 10,236.39
  4. Step 4: Simplify right side
    18,021.03x = 276,882,321.74
  5. Step 5: Solve for x
    x = 276,882,321.74/18,021.03
  6. Step 6: Final answer
    x = 15,364.40

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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.