Home / 13,522.39-20,272.65-4,763.47

Finding the Fourth Proportional to 13,522.39, 20,272.65 and 4,763.47

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Solution

The fourth proportional to 13,522.39, 20,272.65 and 4,763.47 is: 7,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.39 : 20,272.65 = 4,763.47 : x
  2. Step 2: Convert to fraction form
    13,522.39/20,272.65 = 4,763.47/x
  3. Step 3: Cross multiply
    13,522.39x = 20,272.65 × 4,763.47
  4. Step 4: Simplify right side
    13,522.39x = 96,568,160.10
  5. Step 5: Solve for x
    x = 96,568,160.10/13,522.39
  6. Step 6: Final answer
    x = 7,141.35

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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.