Home / 11,942.40-17,921.42-4,546.94

Finding the Fourth Proportional to 11,942.40, 17,921.42 and 4,546.94

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Solution

The fourth proportional to 11,942.40, 17,921.42 and 4,546.94 is: 6,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.40 : 17,921.42 = 4,546.94 : x
  2. Step 2: Convert to fraction form
    11,942.40/17,921.42 = 4,546.94/x
  3. Step 3: Cross multiply
    11,942.40x = 17,921.42 × 4,546.94
  4. Step 4: Simplify right side
    11,942.40x = 81,487,509.11
  5. Step 5: Solve for x
    x = 81,487,509.11/11,942.40
  6. Step 6: Final answer
    x = 6,823.38

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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.