Home / 11,181.92-16,749.16-7,655.38

Finding the Fourth Proportional to 11,181.92, 16,749.16 and 7,655.38

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Solution

The fourth proportional to 11,181.92, 16,749.16 and 7,655.38 is: 11,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.92 : 16,749.16 = 7,655.38 : x
  2. Step 2: Convert to fraction form
    11,181.92/16,749.16 = 7,655.38/x
  3. Step 3: Cross multiply
    11,181.92x = 16,749.16 × 7,655.38
  4. Step 4: Simplify right side
    11,181.92x = 128,221,123.47
  5. Step 5: Solve for x
    x = 128,221,123.47/11,181.92
  6. Step 6: Final answer
    x = 11,466.83

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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.