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Finding the Fourth Proportional to 11,360.88, 17,019.06 and 7,453.44

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Solution

The fourth proportional to 11,360.88, 17,019.06 and 7,453.44 is: 11,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.88 : 17,019.06 = 7,453.44 : x
  2. Step 2: Convert to fraction form
    11,360.88/17,019.06 = 7,453.44/x
  3. Step 3: Cross multiply
    11,360.88x = 17,019.06 × 7,453.44
  4. Step 4: Simplify right side
    11,360.88x = 126,850,542.57
  5. Step 5: Solve for x
    x = 126,850,542.57/11,360.88
  6. Step 6: Final answer
    x = 11,165.56

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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.