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Finding the Fourth Proportional to 11,000.16, 16,500.78 and 3,601.62

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Solution

The fourth proportional to 11,000.16, 16,500.78 and 3,601.62 is: 5,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.16 : 16,500.78 = 3,601.62 : x
  2. Step 2: Convert to fraction form
    11,000.16/16,500.78 = 3,601.62/x
  3. Step 3: Cross multiply
    11,000.16x = 16,500.78 × 3,601.62
  4. Step 4: Simplify right side
    11,000.16x = 59,429,539.26
  5. Step 5: Solve for x
    x = 59,429,539.26/11,000.16
  6. Step 6: Final answer
    x = 5,402.61

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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.