Home / 13,516.74-20,256.67-8,577.54

Finding the Fourth Proportional to 13,516.74, 20,256.67 and 8,577.54

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Solution

The fourth proportional to 13,516.74, 20,256.67 and 8,577.54 is: 12,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.74 : 20,256.67 = 8,577.54 : x
  2. Step 2: Convert to fraction form
    13,516.74/20,256.67 = 8,577.54/x
  3. Step 3: Cross multiply
    13,516.74x = 20,256.67 × 8,577.54
  4. Step 4: Simplify right side
    13,516.74x = 173,752,397.19
  5. Step 5: Solve for x
    x = 173,752,397.19/13,516.74
  6. Step 6: Final answer
    x = 12,854.61

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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.