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Finding the Fourth Proportional to 17,318.88, 25,944.14 and 9,004.32

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Solution

The fourth proportional to 17,318.88, 25,944.14 and 9,004.32 is: 13,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.88 : 25,944.14 = 9,004.32 : x
  2. Step 2: Convert to fraction form
    17,318.88/25,944.14 = 9,004.32/x
  3. Step 3: Cross multiply
    17,318.88x = 25,944.14 × 9,004.32
  4. Step 4: Simplify right side
    17,318.88x = 233,609,338.68
  5. Step 5: Solve for x
    x = 233,609,338.68/17,318.88
  6. Step 6: Final answer
    x = 13,488.71

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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.