Home / 11,131.44-15,359.88-6,654.24

Finding the Fourth Proportional to 11,131.44, 15,359.88 and 6,654.24

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Solution

The fourth proportional to 11,131.44, 15,359.88 and 6,654.24 is: 9,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.44 : 15,359.88 = 6,654.24 : x
  2. Step 2: Convert to fraction form
    11,131.44/15,359.88 = 6,654.24/x
  3. Step 3: Cross multiply
    11,131.44x = 15,359.88 × 6,654.24
  4. Step 4: Simplify right side
    11,131.44x = 102,208,327.89
  5. Step 5: Solve for x
    x = 102,208,327.89/11,131.44
  6. Step 6: Final answer
    x = 9,181.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.