Home / 12,269.80-18,453.30-11,006.20

Finding the Fourth Proportional to 12,269.80, 18,453.30 and 11,006.20

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Solution

The fourth proportional to 12,269.80, 18,453.30 and 11,006.20 is: 16,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.80 : 18,453.30 = 11,006.20 : x
  2. Step 2: Convert to fraction form
    12,269.80/18,453.30 = 11,006.20/x
  3. Step 3: Cross multiply
    12,269.80x = 18,453.30 × 11,006.20
  4. Step 4: Simplify right side
    12,269.80x = 203,100,710.46
  5. Step 5: Solve for x
    x = 203,100,710.46/12,269.80
  6. Step 6: Final answer
    x = 16,552.89

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1.5x scale

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.