Home / 13,889.87-20,836.97-4,527.71

Finding the Fourth Proportional to 13,889.87, 20,836.97 and 4,527.71

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Solution

The fourth proportional to 13,889.87, 20,836.97 and 4,527.71 is: 6,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.87 : 20,836.97 = 4,527.71 : x
  2. Step 2: Convert to fraction form
    13,889.87/20,836.97 = 4,527.71/x
  3. Step 3: Cross multiply
    13,889.87x = 20,836.97 × 4,527.71
  4. Step 4: Simplify right side
    13,889.87x = 94,343,757.44
  5. Step 5: Solve for x
    x = 94,343,757.44/13,889.87
  6. Step 6: Final answer
    x = 6,792.27

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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.