Home / 19,974.55-27,564.18-11,021.82

Finding the Fourth Proportional to 19,974.55, 27,564.18 and 11,021.82

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Solution

The fourth proportional to 19,974.55, 27,564.18 and 11,021.82 is: 15,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.55 : 27,564.18 = 11,021.82 : x
  2. Step 2: Convert to fraction form
    19,974.55/27,564.18 = 11,021.82/x
  3. Step 3: Cross multiply
    19,974.55x = 27,564.18 × 11,021.82
  4. Step 4: Simplify right side
    19,974.55x = 303,807,502.76
  5. Step 5: Solve for x
    x = 303,807,502.76/19,974.55
  6. Step 6: Final answer
    x = 15,209.73

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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.