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Finding the Fourth Proportional to 16,797.89, 25,195.93 and 5,110.20

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Solution

The fourth proportional to 16,797.89, 25,195.93 and 5,110.20 is: 7,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.89 : 25,195.93 = 5,110.20 : x
  2. Step 2: Convert to fraction form
    16,797.89/25,195.93 = 5,110.20/x
  3. Step 3: Cross multiply
    16,797.89x = 25,195.93 × 5,110.20
  4. Step 4: Simplify right side
    16,797.89x = 128,756,241.49
  5. Step 5: Solve for x
    x = 128,756,241.49/16,797.89
  6. Step 6: Final answer
    x = 7,665.02

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1.5x scale

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.