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Finding the Fourth Proportional to 17,331.96, 25,990.98 and 6,235.20

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Solution

The fourth proportional to 17,331.96, 25,990.98 and 6,235.20 is: 9,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.96 : 25,990.98 = 6,235.20 : x
  2. Step 2: Convert to fraction form
    17,331.96/25,990.98 = 6,235.20/x
  3. Step 3: Cross multiply
    17,331.96x = 25,990.98 × 6,235.20
  4. Step 4: Simplify right side
    17,331.96x = 162,058,958.50
  5. Step 5: Solve for x
    x = 162,058,958.50/17,331.96
  6. Step 6: Final answer
    x = 9,350.30

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Double scale
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Similar ratio
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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.