Home / 18,418.09-27,627.82-5,938.30

Finding the Fourth Proportional to 18,418.09, 27,627.82 and 5,938.30

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Solution

The fourth proportional to 18,418.09, 27,627.82 and 5,938.30 is: 8,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.09 : 27,627.82 = 5,938.30 : x
  2. Step 2: Convert to fraction form
    18,418.09/27,627.82 = 5,938.30/x
  3. Step 3: Cross multiply
    18,418.09x = 27,627.82 × 5,938.30
  4. Step 4: Simplify right side
    18,418.09x = 164,062,283.51
  5. Step 5: Solve for x
    x = 164,062,283.51/18,418.09
  6. Step 6: Final answer
    x = 8,907.67

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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.