Home / 14,579.41-20,120.61-8,206.62

Finding the Fourth Proportional to 14,579.41, 20,120.61 and 8,206.62

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Solution

The fourth proportional to 14,579.41, 20,120.61 and 8,206.62 is: 11,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.41 : 20,120.61 = 8,206.62 : x
  2. Step 2: Convert to fraction form
    14,579.41/20,120.61 = 8,206.62/x
  3. Step 3: Cross multiply
    14,579.41x = 20,120.61 × 8,206.62
  4. Step 4: Simplify right side
    14,579.41x = 165,122,200.44
  5. Step 5: Solve for x
    x = 165,122,200.44/14,579.41
  6. Step 6: Final answer
    x = 11,325.71

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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.