Home / 19,786.36-27,304.92-11,288.26

Finding the Fourth Proportional to 19,786.36, 27,304.92 and 11,288.26

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Solution

The fourth proportional to 19,786.36, 27,304.92 and 11,288.26 is: 15,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.36 : 27,304.92 = 11,288.26 : x
  2. Step 2: Convert to fraction form
    19,786.36/27,304.92 = 11,288.26/x
  3. Step 3: Cross multiply
    19,786.36x = 27,304.92 × 11,288.26
  4. Step 4: Simplify right side
    19,786.36x = 308,225,036.24
  5. Step 5: Solve for x
    x = 308,225,036.24/19,786.36
  6. Step 6: Final answer
    x = 15,577.65

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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.