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Finding the Fourth Proportional to 17,394.21, 26,123.49 and 9,079.92

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Solution

The fourth proportional to 17,394.21, 26,123.49 and 9,079.92 is: 13,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,394.21 : 26,123.49 = 9,079.92 : x
  2. Step 2: Convert to fraction form
    17,394.21/26,123.49 = 9,079.92/x
  3. Step 3: Cross multiply
    17,394.21x = 26,123.49 × 9,079.92
  4. Step 4: Simplify right side
    17,394.21x = 237,199,199.32
  5. Step 5: Solve for x
    x = 237,199,199.32/17,394.21
  6. Step 6: Final answer
    x = 13,636.68

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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.