Home / 16,868.28-25,300.26-5,181.24

Finding the Fourth Proportional to 16,868.28, 25,300.26 and 5,181.24

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Solution

The fourth proportional to 16,868.28, 25,300.26 and 5,181.24 is: 7,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.28 : 25,300.26 = 5,181.24 : x
  2. Step 2: Convert to fraction form
    16,868.28/25,300.26 = 5,181.24/x
  3. Step 3: Cross multiply
    16,868.28x = 25,300.26 × 5,181.24
  4. Step 4: Simplify right side
    16,868.28x = 131,086,719.12
  5. Step 5: Solve for x
    x = 131,086,719.12/16,868.28
  6. Step 6: Final answer
    x = 7,771.20

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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.