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Finding the Fourth Proportional to 17,379.40, 26,069.10 and 5,693.80

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Solution

The fourth proportional to 17,379.40, 26,069.10 and 5,693.80 is: 8,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.40 : 26,069.10 = 5,693.80 : x
  2. Step 2: Convert to fraction form
    17,379.40/26,069.10 = 5,693.80/x
  3. Step 3: Cross multiply
    17,379.40x = 26,069.10 × 5,693.80
  4. Step 4: Simplify right side
    17,379.40x = 148,432,241.58
  5. Step 5: Solve for x
    x = 148,432,241.58/17,379.40
  6. Step 6: Final answer
    x = 8,540.70

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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.