Home / 19,795.38-29,687.88-7,318.98

Finding the Fourth Proportional to 19,795.38, 29,687.88 and 7,318.98

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Solution

The fourth proportional to 19,795.38, 29,687.88 and 7,318.98 is: 10,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.38 : 29,687.88 = 7,318.98 : x
  2. Step 2: Convert to fraction form
    19,795.38/29,687.88 = 7,318.98/x
  3. Step 3: Cross multiply
    19,795.38x = 29,687.88 × 7,318.98
  4. Step 4: Simplify right side
    19,795.38x = 217,284,999.96
  5. Step 5: Solve for x
    x = 217,284,999.96/19,795.38
  6. Step 6: Final answer
    x = 10,976.55

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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.