Home / 20,163.07-30,222.19-15,216.67

Finding the Fourth Proportional to 20,163.07, 30,222.19 and 15,216.67

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Solution

The fourth proportional to 20,163.07, 30,222.19 and 15,216.67 is: 22,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.07 : 30,222.19 = 15,216.67 : x
  2. Step 2: Convert to fraction form
    20,163.07/30,222.19 = 15,216.67/x
  3. Step 3: Cross multiply
    20,163.07x = 30,222.19 × 15,216.67
  4. Step 4: Simplify right side
    20,163.07x = 459,881,091.91
  5. Step 5: Solve for x
    x = 459,881,091.91/20,163.07
  6. Step 6: Final answer
    x = 22,808.09

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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.