Home / 11,671.60-16,106.88-6,366.52

Finding the Fourth Proportional to 11,671.60, 16,106.88 and 6,366.52

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Solution

The fourth proportional to 11,671.60, 16,106.88 and 6,366.52 is: 8,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.60 : 16,106.88 = 6,366.52 : x
  2. Step 2: Convert to fraction form
    11,671.60/16,106.88 = 6,366.52/x
  3. Step 3: Cross multiply
    11,671.60x = 16,106.88 × 6,366.52
  4. Step 4: Simplify right side
    11,671.60x = 102,544,773.66
  5. Step 5: Solve for x
    x = 102,544,773.66/11,671.60
  6. Step 6: Final answer
    x = 8,785.84

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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.