Home / 14,645.96-20,207.94-8,272.68

Finding the Fourth Proportional to 14,645.96, 20,207.94 and 8,272.68

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Solution

The fourth proportional to 14,645.96, 20,207.94 and 8,272.68 is: 11,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.96 : 20,207.94 = 8,272.68 : x
  2. Step 2: Convert to fraction form
    14,645.96/20,207.94 = 8,272.68/x
  3. Step 3: Cross multiply
    14,645.96x = 20,207.94 × 8,272.68
  4. Step 4: Simplify right side
    14,645.96x = 167,173,821.08
  5. Step 5: Solve for x
    x = 167,173,821.08/14,645.96
  6. Step 6: Final answer
    x = 11,414.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.