Home / 11,819.73-16,308.41-6,714.12

Finding the Fourth Proportional to 11,819.73, 16,308.41 and 6,714.12

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Solution

The fourth proportional to 11,819.73, 16,308.41 and 6,714.12 is: 9,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.73 : 16,308.41 = 6,714.12 : x
  2. Step 2: Convert to fraction form
    11,819.73/16,308.41 = 6,714.12/x
  3. Step 3: Cross multiply
    11,819.73x = 16,308.41 × 6,714.12
  4. Step 4: Simplify right side
    11,819.73x = 109,496,588.18
  5. Step 5: Solve for x
    x = 109,496,588.18/11,819.73
  6. Step 6: Final answer
    x = 9,263.88

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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.