Home / 19,289.25-28,936.17-6,806.70

Finding the Fourth Proportional to 19,289.25, 28,936.17 and 6,806.70

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Solution

The fourth proportional to 19,289.25, 28,936.17 and 6,806.70 is: 10,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.25 : 28,936.17 = 6,806.70 : x
  2. Step 2: Convert to fraction form
    19,289.25/28,936.17 = 6,806.70/x
  3. Step 3: Cross multiply
    19,289.25x = 28,936.17 × 6,806.70
  4. Step 4: Simplify right side
    19,289.25x = 196,959,828.34
  5. Step 5: Solve for x
    x = 196,959,828.34/19,289.25
  6. Step 6: Final answer
    x = 10,210.86

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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.