Home / 18,121.41-27,161.01-7,023.24

Finding the Fourth Proportional to 18,121.41, 27,161.01 and 7,023.24

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Solution

The fourth proportional to 18,121.41, 27,161.01 and 7,023.24 is: 10,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.41 : 27,161.01 = 7,023.24 : x
  2. Step 2: Convert to fraction form
    18,121.41/27,161.01 = 7,023.24/x
  3. Step 3: Cross multiply
    18,121.41x = 27,161.01 × 7,023.24
  4. Step 4: Simplify right side
    18,121.41x = 190,758,291.87
  5. Step 5: Solve for x
    x = 190,758,291.87/18,121.41
  6. Step 6: Final answer
    x = 10,526.68

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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.