Home / 19,974.33-27,564.30-11,021.67

Finding the Fourth Proportional to 19,974.33, 27,564.30 and 11,021.67

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Solution

The fourth proportional to 19,974.33, 27,564.30 and 11,021.67 is: 15,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.33 : 27,564.30 = 11,021.67 : x
  2. Step 2: Convert to fraction form
    19,974.33/27,564.30 = 11,021.67/x
  3. Step 3: Cross multiply
    19,974.33x = 27,564.30 × 11,021.67
  4. Step 4: Simplify right side
    19,974.33x = 303,804,618.38
  5. Step 5: Solve for x
    x = 303,804,618.38/19,974.33
  6. Step 6: Final answer
    x = 15,209.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.