Home / 11,511.72-17,281.26-11,042.28

Finding the Fourth Proportional to 11,511.72, 17,281.26 and 11,042.28

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Solution

The fourth proportional to 11,511.72, 17,281.26 and 11,042.28 is: 16,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.72 : 17,281.26 = 11,042.28 : x
  2. Step 2: Convert to fraction form
    11,511.72/17,281.26 = 11,042.28/x
  3. Step 3: Cross multiply
    11,511.72x = 17,281.26 × 11,042.28
  4. Step 4: Simplify right side
    11,511.72x = 190,824,511.67
  5. Step 5: Solve for x
    x = 190,824,511.67/11,511.72
  6. Step 6: Final answer
    x = 16,576.54

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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.