Home / 11,230.30-16,845.45-8,314.30

Finding the Fourth Proportional to 11,230.30, 16,845.45 and 8,314.30

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Solution

The fourth proportional to 11,230.30, 16,845.45 and 8,314.30 is: 12,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.30 : 16,845.45 = 8,314.30 : x
  2. Step 2: Convert to fraction form
    11,230.30/16,845.45 = 8,314.30/x
  3. Step 3: Cross multiply
    11,230.30x = 16,845.45 × 8,314.30
  4. Step 4: Simplify right side
    11,230.30x = 140,058,124.94
  5. Step 5: Solve for x
    x = 140,058,124.94/11,230.30
  6. Step 6: Final answer
    x = 12,471.45

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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.