Home / 13,571.58-20,358.66-4,211.70

Finding the Fourth Proportional to 13,571.58, 20,358.66 and 4,211.70

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Solution

The fourth proportional to 13,571.58, 20,358.66 and 4,211.70 is: 6,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.58 : 20,358.66 = 4,211.70 : x
  2. Step 2: Convert to fraction form
    13,571.58/20,358.66 = 4,211.70/x
  3. Step 3: Cross multiply
    13,571.58x = 20,358.66 × 4,211.70
  4. Step 4: Simplify right side
    13,571.58x = 85,744,568.32
  5. Step 5: Solve for x
    x = 85,744,568.32/13,571.58
  6. Step 6: Final answer
    x = 6,317.95

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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.