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Finding the Fourth Proportional to 11,346.56, 17,022.72 and 4,326.56

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Solution

The fourth proportional to 11,346.56, 17,022.72 and 4,326.56 is: 6,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.56 : 17,022.72 = 4,326.56 : x
  2. Step 2: Convert to fraction form
    11,346.56/17,022.72 = 4,326.56/x
  3. Step 3: Cross multiply
    11,346.56x = 17,022.72 × 4,326.56
  4. Step 4: Simplify right side
    11,346.56x = 73,649,819.44
  5. Step 5: Solve for x
    x = 73,649,819.44/11,346.56
  6. Step 6: Final answer
    x = 6,490.94

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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.