Home / 20,406.92-30,606.30-6,364.67

Finding the Fourth Proportional to 20,406.92, 30,606.30 and 6,364.67

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Solution

The fourth proportional to 20,406.92, 30,606.30 and 6,364.67 is: 9,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406.92 : 30,606.30 = 6,364.67 : x
  2. Step 2: Convert to fraction form
    20,406.92/30,606.30 = 6,364.67/x
  3. Step 3: Cross multiply
    20,406.92x = 30,606.30 × 6,364.67
  4. Step 4: Simplify right side
    20,406.92x = 194,798,846.39
  5. Step 5: Solve for x
    x = 194,798,846.39/20,406.92
  6. Step 6: Final answer
    x = 9,545.73

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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.