Home / 13,269.80-18,214.60-11,744.48

Finding the Fourth Proportional to 13,269.80, 18,214.60 and 11,744.48

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Solution

The fourth proportional to 13,269.80, 18,214.60 and 11,744.48 is: 16,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.80 : 18,214.60 = 11,744.48 : x
  2. Step 2: Convert to fraction form
    13,269.80/18,214.60 = 11,744.48/x
  3. Step 3: Cross multiply
    13,269.80x = 18,214.60 × 11,744.48
  4. Step 4: Simplify right side
    13,269.80x = 213,921,005.41
  5. Step 5: Solve for x
    x = 213,921,005.41/13,269.80
  6. Step 6: Final answer
    x = 16,120.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.