Home / 11,819.17-16,310.46-6,513.94

Finding the Fourth Proportional to 11,819.17, 16,310.46 and 6,513.94

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Solution

The fourth proportional to 11,819.17, 16,310.46 and 6,513.94 is: 8,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.17 : 16,310.46 = 6,513.94 : x
  2. Step 2: Convert to fraction form
    11,819.17/16,310.46 = 6,513.94/x
  3. Step 3: Cross multiply
    11,819.17x = 16,310.46 × 6,513.94
  4. Step 4: Simplify right side
    11,819.17x = 106,245,357.81
  5. Step 5: Solve for x
    x = 106,245,357.81/11,819.17
  6. Step 6: Final answer
    x = 8,989.24

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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.