Home / 11,162.32-16,746.60-3,371.20

Finding the Fourth Proportional to 11,162.32, 16,746.60 and 3,371.20

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Solution

The fourth proportional to 11,162.32, 16,746.60 and 3,371.20 is: 5,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.32 : 16,746.60 = 3,371.20 : x
  2. Step 2: Convert to fraction form
    11,162.32/16,746.60 = 3,371.20/x
  3. Step 3: Cross multiply
    11,162.32x = 16,746.60 × 3,371.20
  4. Step 4: Simplify right side
    11,162.32x = 56,456,137.92
  5. Step 5: Solve for x
    x = 56,456,137.92/11,162.32
  6. Step 6: Final answer
    x = 5,057.74

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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.