Home / 12,202.70-18,267.60-7,269.80

Finding the Fourth Proportional to 12,202.70, 18,267.60 and 7,269.80

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Solution

The fourth proportional to 12,202.70, 18,267.60 and 7,269.80 is: 10,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.70 : 18,267.60 = 7,269.80 : x
  2. Step 2: Convert to fraction form
    12,202.70/18,267.60 = 7,269.80/x
  3. Step 3: Cross multiply
    12,202.70x = 18,267.60 × 7,269.80
  4. Step 4: Simplify right side
    12,202.70x = 132,801,798.48
  5. Step 5: Solve for x
    x = 132,801,798.48/12,202.70
  6. Step 6: Final answer
    x = 10,882.98

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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.