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Finding the Fourth Proportional to 11,061.99, 16,592.99 and 6,441.75

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Solution

The fourth proportional to 11,061.99, 16,592.99 and 6,441.75 is: 9,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.99 : 16,592.99 = 6,441.75 : x
  2. Step 2: Convert to fraction form
    11,061.99/16,592.99 = 6,441.75/x
  3. Step 3: Cross multiply
    11,061.99x = 16,592.99 × 6,441.75
  4. Step 4: Simplify right side
    11,061.99x = 106,887,861.12
  5. Step 5: Solve for x
    x = 106,887,861.12/11,061.99
  6. Step 6: Final answer
    x = 9,662.63

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Half scale
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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.