Home / 20,163.42-30,246.32-6,123.92

Finding the Fourth Proportional to 20,163.42, 30,246.32 and 6,123.92

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Solution

The fourth proportional to 20,163.42, 30,246.32 and 6,123.92 is: 9,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.42 : 30,246.32 = 6,123.92 : x
  2. Step 2: Convert to fraction form
    20,163.42/30,246.32 = 6,123.92/x
  3. Step 3: Cross multiply
    20,163.42x = 30,246.32 × 6,123.92
  4. Step 4: Simplify right side
    20,163.42x = 185,225,908.05
  5. Step 5: Solve for x
    x = 185,225,908.05/20,163.42
  6. Step 6: Final answer
    x = 9,186.23

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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.