Home / 11,005.75-16,508.76-4,080.25

Finding the Fourth Proportional to 11,005.75, 16,508.76 and 4,080.25

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Solution

The fourth proportional to 11,005.75, 16,508.76 and 4,080.25 is: 6,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.75 : 16,508.76 = 4,080.25 : x
  2. Step 2: Convert to fraction form
    11,005.75/16,508.76 = 4,080.25/x
  3. Step 3: Cross multiply
    11,005.75x = 16,508.76 × 4,080.25
  4. Step 4: Simplify right side
    11,005.75x = 67,359,867.99
  5. Step 5: Solve for x
    x = 67,359,867.99/11,005.75
  6. Step 6: Final answer
    x = 6,120.43

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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.