Home / 17,086.20-25,629.30-12,384.15

Finding the Fourth Proportional to 17,086.20, 25,629.30 and 12,384.15

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Solution

The fourth proportional to 17,086.20, 25,629.30 and 12,384.15 is: 18,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.20 : 25,629.30 = 12,384.15 : x
  2. Step 2: Convert to fraction form
    17,086.20/25,629.30 = 12,384.15/x
  3. Step 3: Cross multiply
    17,086.20x = 25,629.30 × 12,384.15
  4. Step 4: Simplify right side
    17,086.20x = 317,397,095.60
  5. Step 5: Solve for x
    x = 317,397,095.60/17,086.20
  6. Step 6: Final answer
    x = 18,576.23

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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.