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Finding the Fourth Proportional to 16,675.02, 25,015.91 and 6,815.09

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Solution

The fourth proportional to 16,675.02, 25,015.91 and 6,815.09 is: 10,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.02 : 25,015.91 = 6,815.09 : x
  2. Step 2: Convert to fraction form
    16,675.02/25,015.91 = 6,815.09/x
  3. Step 3: Cross multiply
    16,675.02x = 25,015.91 × 6,815.09
  4. Step 4: Simplify right side
    16,675.02x = 170,485,706.55
  5. Step 5: Solve for x
    x = 170,485,706.55/16,675.02
  6. Step 6: Final answer
    x = 10,224.02

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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.