Home / 11,942.22-17,886.96-7,485.36

Finding the Fourth Proportional to 11,942.22, 17,886.96 and 7,485.36

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Solution

The fourth proportional to 11,942.22, 17,886.96 and 7,485.36 is: 11,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.22 : 17,886.96 = 7,485.36 : x
  2. Step 2: Convert to fraction form
    11,942.22/17,886.96 = 7,485.36/x
  3. Step 3: Cross multiply
    11,942.22x = 17,886.96 × 7,485.36
  4. Step 4: Simplify right side
    11,942.22x = 133,890,334.91
  5. Step 5: Solve for x
    x = 133,890,334.91/11,942.22
  6. Step 6: Final answer
    x = 11,211.51

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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.