Home / 13,916.44-20,882.94-5,157.46

Finding the Fourth Proportional to 13,916.44, 20,882.94 and 5,157.46

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Solution

The fourth proportional to 13,916.44, 20,882.94 and 5,157.46 is: 7,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.44 : 20,882.94 = 5,157.46 : x
  2. Step 2: Convert to fraction form
    13,916.44/20,882.94 = 5,157.46/x
  3. Step 3: Cross multiply
    13,916.44x = 20,882.94 × 5,157.46
  4. Step 4: Simplify right side
    13,916.44x = 107,702,927.73
  5. Step 5: Solve for x
    x = 107,702,927.73/13,916.44
  6. Step 6: Final answer
    x = 7,739.26

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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.