Home / 19,662.24-27,133.62-11,278.56

Finding the Fourth Proportional to 19,662.24, 27,133.62 and 11,278.56

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Solution

The fourth proportional to 19,662.24, 27,133.62 and 11,278.56 is: 15,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.24 : 27,133.62 = 11,278.56 : x
  2. Step 2: Convert to fraction form
    19,662.24/27,133.62 = 11,278.56/x
  3. Step 3: Cross multiply
    19,662.24x = 27,133.62 × 11,278.56
  4. Step 4: Simplify right side
    19,662.24x = 306,028,161.19
  5. Step 5: Solve for x
    x = 306,028,161.19/19,662.24
  6. Step 6: Final answer
    x = 15,564.26

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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.