Home / 11,007.69-16,511.32-2,687.57

Finding the Fourth Proportional to 11,007.69, 16,511.32 and 2,687.57

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Solution

The fourth proportional to 11,007.69, 16,511.32 and 2,687.57 is: 4,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.69 : 16,511.32 = 2,687.57 : x
  2. Step 2: Convert to fraction form
    11,007.69/16,511.32 = 2,687.57/x
  3. Step 3: Cross multiply
    11,007.69x = 16,511.32 × 2,687.57
  4. Step 4: Simplify right side
    11,007.69x = 44,375,328.29
  5. Step 5: Solve for x
    x = 44,375,328.29/11,007.69
  6. Step 6: Final answer
    x = 4,031.30

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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.