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Finding the Fourth Proportional to 17,422.92, 26,147.34 and 9,646.92

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Solution

The fourth proportional to 17,422.92, 26,147.34 and 9,646.92 is: 14,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,422.92 : 26,147.34 = 9,646.92 : x
  2. Step 2: Convert to fraction form
    17,422.92/26,147.34 = 9,646.92/x
  3. Step 3: Cross multiply
    17,422.92x = 26,147.34 × 9,646.92
  4. Step 4: Simplify right side
    17,422.92x = 252,241,297.19
  5. Step 5: Solve for x
    x = 252,241,297.19/17,422.92
  6. Step 6: Final answer
    x = 14,477.56

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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.