Home / 10,992.92-15,171.32-6,277.91

Finding the Fourth Proportional to 10,992.92, 15,171.32 and 6,277.91

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Solution

The fourth proportional to 10,992.92, 15,171.32 and 6,277.91 is: 8,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.92 : 15,171.32 = 6,277.91 : x
  2. Step 2: Convert to fraction form
    10,992.92/15,171.32 = 6,277.91/x
  3. Step 3: Cross multiply
    10,992.92x = 15,171.32 × 6,277.91
  4. Step 4: Simplify right side
    10,992.92x = 95,244,181.54
  5. Step 5: Solve for x
    x = 95,244,181.54/10,992.92
  6. Step 6: Final answer
    x = 8,664.14

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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.