Home / 11,128.22-16,690.20-3,337.03

Finding the Fourth Proportional to 11,128.22, 16,690.20 and 3,337.03

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Solution

The fourth proportional to 11,128.22, 16,690.20 and 3,337.03 is: 5,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.22 : 16,690.20 = 3,337.03 : x
  2. Step 2: Convert to fraction form
    11,128.22/16,690.20 = 3,337.03/x
  3. Step 3: Cross multiply
    11,128.22x = 16,690.20 × 3,337.03
  4. Step 4: Simplify right side
    11,128.22x = 55,695,698.11
  5. Step 5: Solve for x
    x = 55,695,698.11/11,128.22
  6. Step 6: Final answer
    x = 5,004.91

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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.