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Finding the Fourth Proportional to 11,219.55, 16,811.10 and 7,052.10

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Solution

The fourth proportional to 11,219.55, 16,811.10 and 7,052.10 is: 10,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.55 : 16,811.10 = 7,052.10 : x
  2. Step 2: Convert to fraction form
    11,219.55/16,811.10 = 7,052.10/x
  3. Step 3: Cross multiply
    11,219.55x = 16,811.10 × 7,052.10
  4. Step 4: Simplify right side
    11,219.55x = 118,553,558.31
  5. Step 5: Solve for x
    x = 118,553,558.31/11,219.55
  6. Step 6: Final answer
    x = 10,566.69

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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.