Home / 19,204.85-28,810.31-6,724.56

Finding the Fourth Proportional to 19,204.85, 28,810.31 and 6,724.56

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Solution

The fourth proportional to 19,204.85, 28,810.31 and 6,724.56 is: 10,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.85 : 28,810.31 = 6,724.56 : x
  2. Step 2: Convert to fraction form
    19,204.85/28,810.31 = 6,724.56/x
  3. Step 3: Cross multiply
    19,204.85x = 28,810.31 × 6,724.56
  4. Step 4: Simplify right side
    19,204.85x = 193,736,624.59
  5. Step 5: Solve for x
    x = 193,736,624.59/19,204.85
  6. Step 6: Final answer
    x = 10,087.90

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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.