Home / 11,819.01-16,310.15-6,513.83

Finding the Fourth Proportional to 11,819.01, 16,310.15 and 6,513.83

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Solution

The fourth proportional to 11,819.01, 16,310.15 and 6,513.83 is: 8,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.01 : 16,310.15 = 6,513.83 : x
  2. Step 2: Convert to fraction form
    11,819.01/16,310.15 = 6,513.83/x
  3. Step 3: Cross multiply
    11,819.01x = 16,310.15 × 6,513.83
  4. Step 4: Simplify right side
    11,819.01x = 106,241,511.81
  5. Step 5: Solve for x
    x = 106,241,511.81/11,819.01
  6. Step 6: Final answer
    x = 8,989.04

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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.