Home / 12,610.32-18,919.14-4,819.76

Finding the Fourth Proportional to 12,610.32, 18,919.14 and 4,819.76

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Solution

The fourth proportional to 12,610.32, 18,919.14 and 4,819.76 is: 7,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.32 : 18,919.14 = 4,819.76 : x
  2. Step 2: Convert to fraction form
    12,610.32/18,919.14 = 4,819.76/x
  3. Step 3: Cross multiply
    12,610.32x = 18,919.14 × 4,819.76
  4. Step 4: Simplify right side
    12,610.32x = 91,185,714.21
  5. Step 5: Solve for x
    x = 91,185,714.21/12,610.32
  6. Step 6: Final answer
    x = 7,231.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.