Home / 13,302.38-19,957.23-3,942.86

Finding the Fourth Proportional to 13,302.38, 19,957.23 and 3,942.86

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Solution

The fourth proportional to 13,302.38, 19,957.23 and 3,942.86 is: 5,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.38 : 19,957.23 = 3,942.86 : x
  2. Step 2: Convert to fraction form
    13,302.38/19,957.23 = 3,942.86/x
  3. Step 3: Cross multiply
    13,302.38x = 19,957.23 × 3,942.86
  4. Step 4: Simplify right side
    13,302.38x = 78,688,563.88
  5. Step 5: Solve for x
    x = 78,688,563.88/13,302.38
  6. Step 6: Final answer
    x = 5,915.37

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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.