Home / 11,134.20-16,701.30-4,207.80

Finding the Fourth Proportional to 11,134.20, 16,701.30 and 4,207.80

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Solution

The fourth proportional to 11,134.20, 16,701.30 and 4,207.80 is: 6,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.20 : 16,701.30 = 4,207.80 : x
  2. Step 2: Convert to fraction form
    11,134.20/16,701.30 = 4,207.80/x
  3. Step 3: Cross multiply
    11,134.20x = 16,701.30 × 4,207.80
  4. Step 4: Simplify right side
    11,134.20x = 70,275,730.14
  5. Step 5: Solve for x
    x = 70,275,730.14/11,134.20
  6. Step 6: Final answer
    x = 6,311.70

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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.