Home / 20,103.48-30,124.62-10,227.96

Finding the Fourth Proportional to 20,103.48, 30,124.62 and 10,227.96

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Solution

The fourth proportional to 20,103.48, 30,124.62 and 10,227.96 is: 15,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.48 : 30,124.62 = 10,227.96 : x
  2. Step 2: Convert to fraction form
    20,103.48/30,124.62 = 10,227.96/x
  3. Step 3: Cross multiply
    20,103.48x = 30,124.62 × 10,227.96
  4. Step 4: Simplify right side
    20,103.48x = 308,113,408.38
  5. Step 5: Solve for x
    x = 308,113,408.38/20,103.48
  6. Step 6: Final answer
    x = 15,326.37

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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.