Home / 11,126.85-16,690.14-4,553.03

Finding the Fourth Proportional to 11,126.85, 16,690.14 and 4,553.03

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Solution

The fourth proportional to 11,126.85, 16,690.14 and 4,553.03 is: 6,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.85 : 16,690.14 = 4,553.03 : x
  2. Step 2: Convert to fraction form
    11,126.85/16,690.14 = 4,553.03/x
  3. Step 3: Cross multiply
    11,126.85x = 16,690.14 × 4,553.03
  4. Step 4: Simplify right side
    11,126.85x = 75,990,624.67
  5. Step 5: Solve for x
    x = 75,990,624.67/11,126.85
  6. Step 6: Final answer
    x = 6,829.48

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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.