Home / 13,571.59-20,358.67-4,211.71

Finding the Fourth Proportional to 13,571.59, 20,358.67 and 4,211.71

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Solution

The fourth proportional to 13,571.59, 20,358.67 and 4,211.71 is: 6,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.59 : 20,358.67 = 4,211.71 : x
  2. Step 2: Convert to fraction form
    13,571.59/20,358.67 = 4,211.71/x
  3. Step 3: Cross multiply
    13,571.59x = 20,358.67 × 4,211.71
  4. Step 4: Simplify right side
    13,571.59x = 85,744,814.03
  5. Step 5: Solve for x
    x = 85,744,814.03/13,571.59
  6. Step 6: Final answer
    x = 6,317.96

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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.