Home / 13,717.95-20,576.94-3,329.70

Finding the Fourth Proportional to 13,717.95, 20,576.94 and 3,329.70

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Solution

The fourth proportional to 13,717.95, 20,576.94 and 3,329.70 is: 4,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.95 : 20,576.94 = 3,329.70 : x
  2. Step 2: Convert to fraction form
    13,717.95/20,576.94 = 3,329.70/x
  3. Step 3: Cross multiply
    13,717.95x = 20,576.94 × 3,329.70
  4. Step 4: Simplify right side
    13,717.95x = 68,515,037.12
  5. Step 5: Solve for x
    x = 68,515,037.12/13,717.95
  6. Step 6: Final answer
    x = 4,994.55

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Similar ratio
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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.