Home / 11,994.47-17,976.66-9,231.56

Finding the Fourth Proportional to 11,994.47, 17,976.66 and 9,231.56

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Solution

The fourth proportional to 11,994.47, 17,976.66 and 9,231.56 is: 13,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.47 : 17,976.66 = 9,231.56 : x
  2. Step 2: Convert to fraction form
    11,994.47/17,976.66 = 9,231.56/x
  3. Step 3: Cross multiply
    11,994.47x = 17,976.66 × 9,231.56
  4. Step 4: Simplify right side
    11,994.47x = 165,952,525.51
  5. Step 5: Solve for x
    x = 165,952,525.51/11,994.47
  6. Step 6: Final answer
    x = 13,835.76

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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.