Home / 11,280.82-16,997.38-9,349.39

Finding the Fourth Proportional to 11,280.82, 16,997.38 and 9,349.39

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Solution

The fourth proportional to 11,280.82, 16,997.38 and 9,349.39 is: 14,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.82 : 16,997.38 = 9,349.39 : x
  2. Step 2: Convert to fraction form
    11,280.82/16,997.38 = 9,349.39/x
  3. Step 3: Cross multiply
    11,280.82x = 16,997.38 × 9,349.39
  4. Step 4: Simplify right side
    11,280.82x = 158,915,134.60
  5. Step 5: Solve for x
    x = 158,915,134.60/11,280.82
  6. Step 6: Final answer
    x = 14,087.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.