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Finding the Fourth Proportional to 17,152.22, 23,654.22 and 11,180.90

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Solution

The fourth proportional to 17,152.22, 23,654.22 and 11,180.90 is: 15,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.22 : 23,654.22 = 11,180.90 : x
  2. Step 2: Convert to fraction form
    17,152.22/23,654.22 = 11,180.90/x
  3. Step 3: Cross multiply
    17,152.22x = 23,654.22 × 11,180.90
  4. Step 4: Simplify right side
    17,152.22x = 264,475,468.40
  5. Step 5: Solve for x
    x = 264,475,468.40/17,152.22
  6. Step 6: Final answer
    x = 15,419.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.