Home / 20,636.43-30,950.55-10,101.93

Finding the Fourth Proportional to 20,636.43, 30,950.55 and 10,101.93

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Solution

The fourth proportional to 20,636.43, 30,950.55 and 10,101.93 is: 15,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.43 : 30,950.55 = 10,101.93 : x
  2. Step 2: Convert to fraction form
    20,636.43/30,950.55 = 10,101.93/x
  3. Step 3: Cross multiply
    20,636.43x = 30,950.55 × 10,101.93
  4. Step 4: Simplify right side
    20,636.43x = 312,660,289.56
  5. Step 5: Solve for x
    x = 312,660,289.56/20,636.43
  6. Step 6: Final answer
    x = 15,150.89

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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.