Home / 19,983.38-29,969.40-5,942.84

Finding the Fourth Proportional to 19,983.38, 29,969.40 and 5,942.84

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Solution

The fourth proportional to 19,983.38, 29,969.40 and 5,942.84 is: 8,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.38 : 29,969.40 = 5,942.84 : x
  2. Step 2: Convert to fraction form
    19,983.38/29,969.40 = 5,942.84/x
  3. Step 3: Cross multiply
    19,983.38x = 29,969.40 × 5,942.84
  4. Step 4: Simplify right side
    19,983.38x = 178,103,349.10
  5. Step 5: Solve for x
    x = 178,103,349.10/19,983.38
  6. Step 6: Final answer
    x = 8,912.57

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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.