Home / 13,767.70-20,658.41-5,453.71

Finding the Fourth Proportional to 13,767.70, 20,658.41 and 5,453.71

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Solution

The fourth proportional to 13,767.70, 20,658.41 and 5,453.71 is: 8,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.70 : 20,658.41 = 5,453.71 : x
  2. Step 2: Convert to fraction form
    13,767.70/20,658.41 = 5,453.71/x
  3. Step 3: Cross multiply
    13,767.70x = 20,658.41 × 5,453.71
  4. Step 4: Simplify right side
    13,767.70x = 112,664,925.56
  5. Step 5: Solve for x
    x = 112,664,925.56/13,767.70
  6. Step 6: Final answer
    x = 8,183.28

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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.