Home / 11,601.37-16,009.71-6,821.85

Finding the Fourth Proportional to 11,601.37, 16,009.71 and 6,821.85

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Solution

The fourth proportional to 11,601.37, 16,009.71 and 6,821.85 is: 9,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.37 : 16,009.71 = 6,821.85 : x
  2. Step 2: Convert to fraction form
    11,601.37/16,009.71 = 6,821.85/x
  3. Step 3: Cross multiply
    11,601.37x = 16,009.71 × 6,821.85
  4. Step 4: Simplify right side
    11,601.37x = 109,215,840.16
  5. Step 5: Solve for x
    x = 109,215,840.16/11,601.37
  6. Step 6: Final answer
    x = 9,414.05

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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.