Home / 20,232.46-30,348.69-8,545.78

Finding the Fourth Proportional to 20,232.46, 30,348.69 and 8,545.78

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Solution

The fourth proportional to 20,232.46, 30,348.69 and 8,545.78 is: 12,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.46 : 30,348.69 = 8,545.78 : x
  2. Step 2: Convert to fraction form
    20,232.46/30,348.69 = 8,545.78/x
  3. Step 3: Cross multiply
    20,232.46x = 30,348.69 × 8,545.78
  4. Step 4: Simplify right side
    20,232.46x = 259,353,228.03
  5. Step 5: Solve for x
    x = 259,353,228.03/20,232.46
  6. Step 6: Final answer
    x = 12,818.67

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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.