Home / 14,620.32-20,175.28-8,246.72

Finding the Fourth Proportional to 14,620.32, 20,175.28 and 8,246.72

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Solution

The fourth proportional to 14,620.32, 20,175.28 and 8,246.72 is: 11,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.32 : 20,175.28 = 8,246.72 : x
  2. Step 2: Convert to fraction form
    14,620.32/20,175.28 = 8,246.72/x
  3. Step 3: Cross multiply
    14,620.32x = 20,175.28 × 8,246.72
  4. Step 4: Simplify right side
    14,620.32x = 166,379,914.90
  5. Step 5: Solve for x
    x = 166,379,914.90/14,620.32
  6. Step 6: Final answer
    x = 11,380.05

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1.5x scale

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.