Home / 11,122.85-16,686.20-3,728.03

Finding the Fourth Proportional to 11,122.85, 16,686.20 and 3,728.03

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Solution

The fourth proportional to 11,122.85, 16,686.20 and 3,728.03 is: 5,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.85 : 16,686.20 = 3,728.03 : x
  2. Step 2: Convert to fraction form
    11,122.85/16,686.20 = 3,728.03/x
  3. Step 3: Cross multiply
    11,122.85x = 16,686.20 × 3,728.03
  4. Step 4: Simplify right side
    11,122.85x = 62,206,580.08
  5. Step 5: Solve for x
    x = 62,206,580.08/11,122.85
  6. Step 6: Final answer
    x = 5,592.68

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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.