Home / 18,387.35-27,571.67-9,028.07

Finding the Fourth Proportional to 18,387.35, 27,571.67 and 9,028.07

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Solution

The fourth proportional to 18,387.35, 27,571.67 and 9,028.07 is: 13,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.35 : 27,571.67 = 9,028.07 : x
  2. Step 2: Convert to fraction form
    18,387.35/27,571.67 = 9,028.07/x
  3. Step 3: Cross multiply
    18,387.35x = 27,571.67 × 9,028.07
  4. Step 4: Simplify right side
    18,387.35x = 248,918,921.64
  5. Step 5: Solve for x
    x = 248,918,921.64/18,387.35
  6. Step 6: Final answer
    x = 13,537.51

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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.