Home / 18,221.36-27,348.44-9,462.42

Finding the Fourth Proportional to 18,221.36, 27,348.44 and 9,462.42

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Solution

The fourth proportional to 18,221.36, 27,348.44 and 9,462.42 is: 14,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.36 : 27,348.44 = 9,462.42 : x
  2. Step 2: Convert to fraction form
    18,221.36/27,348.44 = 9,462.42/x
  3. Step 3: Cross multiply
    18,221.36x = 27,348.44 × 9,462.42
  4. Step 4: Simplify right side
    18,221.36x = 258,782,378.31
  5. Step 5: Solve for x
    x = 258,782,378.31/18,221.36
  6. Step 6: Final answer
    x = 14,202.15

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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.