Home / 11,584.28-15,974.38-9,911.23

Finding the Fourth Proportional to 11,584.28, 15,974.38 and 9,911.23

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Solution

The fourth proportional to 11,584.28, 15,974.38 and 9,911.23 is: 13,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.28 : 15,974.38 = 9,911.23 : x
  2. Step 2: Convert to fraction form
    11,584.28/15,974.38 = 9,911.23/x
  3. Step 3: Cross multiply
    11,584.28x = 15,974.38 × 9,911.23
  4. Step 4: Simplify right side
    11,584.28x = 158,325,726.74
  5. Step 5: Solve for x
    x = 158,325,726.74/11,584.28
  6. Step 6: Final answer
    x = 13,667.29

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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.