Home / 11,994.24-17,990.75-4,202.45

Finding the Fourth Proportional to 11,994.24, 17,990.75 and 4,202.45

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Solution

The fourth proportional to 11,994.24, 17,990.75 and 4,202.45 is: 6,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.24 : 17,990.75 = 4,202.45 : x
  2. Step 2: Convert to fraction form
    11,994.24/17,990.75 = 4,202.45/x
  3. Step 3: Cross multiply
    11,994.24x = 17,990.75 × 4,202.45
  4. Step 4: Simplify right side
    11,994.24x = 75,605,147.89
  5. Step 5: Solve for x
    x = 75,605,147.89/11,994.24
  6. Step 6: Final answer
    x = 6,303.45

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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.