Home / 13,976.83-20,965.90-4,617.68

Finding the Fourth Proportional to 13,976.83, 20,965.90 and 4,617.68

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Solution

The fourth proportional to 13,976.83, 20,965.90 and 4,617.68 is: 6,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.83 : 20,965.90 = 4,617.68 : x
  2. Step 2: Convert to fraction form
    13,976.83/20,965.90 = 4,617.68/x
  3. Step 3: Cross multiply
    13,976.83x = 20,965.90 × 4,617.68
  4. Step 4: Simplify right side
    13,976.83x = 96,813,857.98
  5. Step 5: Solve for x
    x = 96,813,857.98/13,976.83
  6. Step 6: Final answer
    x = 6,926.74

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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.