Home / 13,237.20-19,855.80-11,098.80

Finding the Fourth Proportional to 13,237.20, 19,855.80 and 11,098.80

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Solution

The fourth proportional to 13,237.20, 19,855.80 and 11,098.80 is: 16,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.20 : 19,855.80 = 11,098.80 : x
  2. Step 2: Convert to fraction form
    13,237.20/19,855.80 = 11,098.80/x
  3. Step 3: Cross multiply
    13,237.20x = 19,855.80 × 11,098.80
  4. Step 4: Simplify right side
    13,237.20x = 220,375,553.04
  5. Step 5: Solve for x
    x = 220,375,553.04/13,237.20
  6. Step 6: Final answer
    x = 16,648.20

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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.