Home / 11,826.96-16,321.27-6,521.78

Finding the Fourth Proportional to 11,826.96, 16,321.27 and 6,521.78

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Solution

The fourth proportional to 11,826.96, 16,321.27 and 6,521.78 is: 9,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.96 : 16,321.27 = 6,521.78 : x
  2. Step 2: Convert to fraction form
    11,826.96/16,321.27 = 6,521.78/x
  3. Step 3: Cross multiply
    11,826.96x = 16,321.27 × 6,521.78
  4. Step 4: Simplify right side
    11,826.96x = 106,443,618.05
  5. Step 5: Solve for x
    x = 106,443,618.05/11,826.96
  6. Step 6: Final answer
    x = 9,000.08

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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.