Home / 19,928.46-29,892.37-6,789.98

Finding the Fourth Proportional to 19,928.46, 29,892.37 and 6,789.98

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Solution

The fourth proportional to 19,928.46, 29,892.37 and 6,789.98 is: 10,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.46 : 29,892.37 = 6,789.98 : x
  2. Step 2: Convert to fraction form
    19,928.46/29,892.37 = 6,789.98/x
  3. Step 3: Cross multiply
    19,928.46x = 29,892.37 × 6,789.98
  4. Step 4: Simplify right side
    19,928.46x = 202,968,594.45
  5. Step 5: Solve for x
    x = 202,968,594.45/19,928.46
  6. Step 6: Final answer
    x = 10,184.86

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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.