Home / 11,826.91-16,321.17-6,521.59

Finding the Fourth Proportional to 11,826.91, 16,321.17 and 6,521.59

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Solution

The fourth proportional to 11,826.91, 16,321.17 and 6,521.59 is: 8,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.91 : 16,321.17 = 6,521.59 : x
  2. Step 2: Convert to fraction form
    11,826.91/16,321.17 = 6,521.59/x
  3. Step 3: Cross multiply
    11,826.91x = 16,321.17 × 6,521.59
  4. Step 4: Simplify right side
    11,826.91x = 106,439,979.06
  5. Step 5: Solve for x
    x = 106,439,979.06/11,826.91
  6. Step 6: Final answer
    x = 8,999.81

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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.