Home / 16,806.88-25,214.37-5,119.39

Finding the Fourth Proportional to 16,806.88, 25,214.37 and 5,119.39

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Solution

The fourth proportional to 16,806.88, 25,214.37 and 5,119.39 is: 7,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.88 : 25,214.37 = 5,119.39 : x
  2. Step 2: Convert to fraction form
    16,806.88/25,214.37 = 5,119.39/x
  3. Step 3: Cross multiply
    16,806.88x = 25,214.37 × 5,119.39
  4. Step 4: Simplify right side
    16,806.88x = 129,082,193.63
  5. Step 5: Solve for x
    x = 129,082,193.63/16,806.88
  6. Step 6: Final answer
    x = 7,680.32

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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.