Home / 11,977.05-16,528.84-6,671.87

Finding the Fourth Proportional to 11,977.05, 16,528.84 and 6,671.87

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Solution

The fourth proportional to 11,977.05, 16,528.84 and 6,671.87 is: 9,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.05 : 16,528.84 = 6,671.87 : x
  2. Step 2: Convert to fraction form
    11,977.05/16,528.84 = 6,671.87/x
  3. Step 3: Cross multiply
    11,977.05x = 16,528.84 × 6,671.87
  4. Step 4: Simplify right side
    11,977.05x = 110,278,155.73
  5. Step 5: Solve for x
    x = 110,278,155.73/11,977.05
  6. Step 6: Final answer
    x = 9,207.46

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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.