Home / 18,247.04-27,381.37-7,716.49

Finding the Fourth Proportional to 18,247.04, 27,381.37 and 7,716.49

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Solution

The fourth proportional to 18,247.04, 27,381.37 and 7,716.49 is: 11,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.04 : 27,381.37 = 7,716.49 : x
  2. Step 2: Convert to fraction form
    18,247.04/27,381.37 = 7,716.49/x
  3. Step 3: Cross multiply
    18,247.04x = 27,381.37 × 7,716.49
  4. Step 4: Simplify right side
    18,247.04x = 211,288,067.79
  5. Step 5: Solve for x
    x = 211,288,067.79/18,247.04
  6. Step 6: Final answer
    x = 11,579.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.