Home / 11,850.32-16,358.32-8,085.92

Finding the Fourth Proportional to 11,850.32, 16,358.32 and 8,085.92

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Solution

The fourth proportional to 11,850.32, 16,358.32 and 8,085.92 is: 11,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.32 : 16,358.32 = 8,085.92 : x
  2. Step 2: Convert to fraction form
    11,850.32/16,358.32 = 8,085.92/x
  3. Step 3: Cross multiply
    11,850.32x = 16,358.32 × 8,085.92
  4. Step 4: Simplify right side
    11,850.32x = 132,272,066.85
  5. Step 5: Solve for x
    x = 132,272,066.85/11,850.32
  6. Step 6: Final answer
    x = 11,161.90

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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.