Home / 19,974.29-27,564.45-11,021.71

Finding the Fourth Proportional to 19,974.29, 27,564.45 and 11,021.71

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Solution

The fourth proportional to 19,974.29, 27,564.45 and 11,021.71 is: 15,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.29 : 27,564.45 = 11,021.71 : x
  2. Step 2: Convert to fraction form
    19,974.29/27,564.45 = 11,021.71/x
  3. Step 3: Cross multiply
    19,974.29x = 27,564.45 × 11,021.71
  4. Step 4: Simplify right side
    19,974.29x = 303,807,377.65
  5. Step 5: Solve for x
    x = 303,807,377.65/19,974.29
  6. Step 6: Final answer
    x = 15,209.93

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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.