Home / 19,667.16-27,141.33-11,169.65

Finding the Fourth Proportional to 19,667.16, 27,141.33 and 11,169.65

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Solution

The fourth proportional to 19,667.16, 27,141.33 and 11,169.65 is: 15,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,667.16 : 27,141.33 = 11,169.65 : x
  2. Step 2: Convert to fraction form
    19,667.16/27,141.33 = 11,169.65/x
  3. Step 3: Cross multiply
    19,667.16x = 27,141.33 × 11,169.65
  4. Step 4: Simplify right side
    19,667.16x = 303,159,020.93
  5. Step 5: Solve for x
    x = 303,159,020.93/19,667.16
  6. Step 6: Final answer
    x = 15,414.48

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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.