Home / 20,524.41-30,790.19-8,516.57

Finding the Fourth Proportional to 20,524.41, 30,790.19 and 8,516.57

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Solution

The fourth proportional to 20,524.41, 30,790.19 and 8,516.57 is: 12,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.41 : 30,790.19 = 8,516.57 : x
  2. Step 2: Convert to fraction form
    20,524.41/30,790.19 = 8,516.57/x
  3. Step 3: Cross multiply
    20,524.41x = 30,790.19 × 8,516.57
  4. Step 4: Simplify right side
    20,524.41x = 262,226,675.79
  5. Step 5: Solve for x
    x = 262,226,675.79/20,524.41
  6. Step 6: Final answer
    x = 12,776.33

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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.