Home / 11,612.75-16,025.63-6,832.87

Finding the Fourth Proportional to 11,612.75, 16,025.63 and 6,832.87

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Solution

The fourth proportional to 11,612.75, 16,025.63 and 6,832.87 is: 9,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.75 : 16,025.63 = 6,832.87 : x
  2. Step 2: Convert to fraction form
    11,612.75/16,025.63 = 6,832.87/x
  3. Step 3: Cross multiply
    11,612.75x = 16,025.63 × 6,832.87
  4. Step 4: Simplify right side
    11,612.75x = 109,501,046.46
  5. Step 5: Solve for x
    x = 109,501,046.46/11,612.75
  6. Step 6: Final answer
    x = 9,429.38

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Half 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.