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Finding the Fourth Proportional to 11,591, 17,237.39 and 11,221.96

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Solution

The fourth proportional to 11,591, 17,237.39 and 11,221.96 is: 16,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591 : 17,237.39 = 11,221.96 : x
  2. Step 2: Convert to fraction form
    11,591/17,237.39 = 11,221.96/x
  3. Step 3: Cross multiply
    11,591x = 17,237.39 × 11,221.96
  4. Step 4: Simplify right side
    11,591x = 193,437,301.08
  5. Step 5: Solve for x
    x = 193,437,301.08/11,591
  6. Step 6: Final answer
    x = 16,688.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.