Home / 14,498.60-20,012.82-13,229.96

Finding the Fourth Proportional to 14,498.60, 20,012.82 and 13,229.96

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Solution

The fourth proportional to 14,498.60, 20,012.82 and 13,229.96 is: 18,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.60 : 20,012.82 = 13,229.96 : x
  2. Step 2: Convert to fraction form
    14,498.60/20,012.82 = 13,229.96/x
  3. Step 3: Cross multiply
    14,498.60x = 20,012.82 × 13,229.96
  4. Step 4: Simplify right side
    14,498.60x = 264,768,808.09
  5. Step 5: Solve for x
    x = 264,768,808.09/14,498.60
  6. Step 6: Final answer
    x = 18,261.68

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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.