Home / 12,825.70-19,238.56-10,245.04

Finding the Fourth Proportional to 12,825.70, 19,238.56 and 10,245.04

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Solution

The fourth proportional to 12,825.70, 19,238.56 and 10,245.04 is: 15,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.70 : 19,238.56 = 10,245.04 : x
  2. Step 2: Convert to fraction form
    12,825.70/19,238.56 = 10,245.04/x
  3. Step 3: Cross multiply
    12,825.70x = 19,238.56 × 10,245.04
  4. Step 4: Simplify right side
    12,825.70x = 197,099,743.03
  5. Step 5: Solve for x
    x = 197,099,743.03/12,825.70
  6. Step 6: Final answer
    x = 15,367.57

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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.