Home / 13,576.41-20,367.80-4,215.95

Finding the Fourth Proportional to 13,576.41, 20,367.80 and 4,215.95

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Solution

The fourth proportional to 13,576.41, 20,367.80 and 4,215.95 is: 6,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.41 : 20,367.80 = 4,215.95 : x
  2. Step 2: Convert to fraction form
    13,576.41/20,367.80 = 4,215.95/x
  3. Step 3: Cross multiply
    13,576.41x = 20,367.80 × 4,215.95
  4. Step 4: Simplify right side
    13,576.41x = 85,869,524.57
  5. Step 5: Solve for x
    x = 85,869,524.57/13,576.41
  6. Step 6: Final answer
    x = 6,324.91

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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.