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Finding the Fourth Proportional to 11,605, 16,014.82 and 6,299.96

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Solution

The fourth proportional to 11,605, 16,014.82 and 6,299.96 is: 8,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605 : 16,014.82 = 6,299.96 : x
  2. Step 2: Convert to fraction form
    11,605/16,014.82 = 6,299.96/x
  3. Step 3: Cross multiply
    11,605x = 16,014.82 × 6,299.96
  4. Step 4: Simplify right side
    11,605x = 100,892,725.41
  5. Step 5: Solve for x
    x = 100,892,725.41/11,605
  6. Step 6: Final answer
    x = 8,693.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.