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Finding the Fourth Proportional to 11,245.44, 16,853.52 and 7,542.08

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Solution

The fourth proportional to 11,245.44, 16,853.52 and 7,542.08 is: 11,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.44 : 16,853.52 = 7,542.08 : x
  2. Step 2: Convert to fraction form
    11,245.44/16,853.52 = 7,542.08/x
  3. Step 3: Cross multiply
    11,245.44x = 16,853.52 × 7,542.08
  4. Step 4: Simplify right side
    11,245.44x = 127,110,596.12
  5. Step 5: Solve for x
    x = 127,110,596.12/11,245.44
  6. Step 6: Final answer
    x = 11,303.30

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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.