Home / 16,847.20-25,270.80-8,077.60

Finding the Fourth Proportional to 16,847.20, 25,270.80 and 8,077.60

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Solution

The fourth proportional to 16,847.20, 25,270.80 and 8,077.60 is: 12,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.20 : 25,270.80 = 8,077.60 : x
  2. Step 2: Convert to fraction form
    16,847.20/25,270.80 = 8,077.60/x
  3. Step 3: Cross multiply
    16,847.20x = 25,270.80 × 8,077.60
  4. Step 4: Simplify right side
    16,847.20x = 204,127,414.08
  5. Step 5: Solve for x
    x = 204,127,414.08/16,847.20
  6. Step 6: Final answer
    x = 12,116.40

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1.5x scale

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.