Home / 19,289.43-28,936.46-6,806.88

Finding the Fourth Proportional to 19,289.43, 28,936.46 and 6,806.88

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Solution

The fourth proportional to 19,289.43, 28,936.46 and 6,806.88 is: 10,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.43 : 28,936.46 = 6,806.88 : x
  2. Step 2: Convert to fraction form
    19,289.43/28,936.46 = 6,806.88/x
  3. Step 3: Cross multiply
    19,289.43x = 28,936.46 × 6,806.88
  4. Step 4: Simplify right side
    19,289.43x = 196,966,832.13
  5. Step 5: Solve for x
    x = 196,966,832.13/19,289.43
  6. Step 6: Final answer
    x = 10,211.13

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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.