Home / 19,942.40-29,912.52-6,091.40

Finding the Fourth Proportional to 19,942.40, 29,912.52 and 6,091.40

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Solution

The fourth proportional to 19,942.40, 29,912.52 and 6,091.40 is: 9,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.40 : 29,912.52 = 6,091.40 : x
  2. Step 2: Convert to fraction form
    19,942.40/29,912.52 = 6,091.40/x
  3. Step 3: Cross multiply
    19,942.40x = 29,912.52 × 6,091.40
  4. Step 4: Simplify right side
    19,942.40x = 182,209,124.33
  5. Step 5: Solve for x
    x = 182,209,124.33/19,942.40
  6. Step 6: Final answer
    x = 9,136.77

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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.