Home / 12,522.29-18,785.84-3,756.47

Finding the Fourth Proportional to 12,522.29, 18,785.84 and 3,756.47

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Solution

The fourth proportional to 12,522.29, 18,785.84 and 3,756.47 is: 5,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.29 : 18,785.84 = 3,756.47 : x
  2. Step 2: Convert to fraction form
    12,522.29/18,785.84 = 3,756.47/x
  3. Step 3: Cross multiply
    12,522.29x = 18,785.84 × 3,756.47
  4. Step 4: Simplify right side
    12,522.29x = 70,568,331.67
  5. Step 5: Solve for x
    x = 70,568,331.67/12,522.29
  6. Step 6: Final answer
    x = 5,635.42

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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.