Home / 11,449.20-17,179.20-8,533.20

Finding the Fourth Proportional to 11,449.20, 17,179.20 and 8,533.20

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Solution

The fourth proportional to 11,449.20, 17,179.20 and 8,533.20 is: 12,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.20 : 17,179.20 = 8,533.20 : x
  2. Step 2: Convert to fraction form
    11,449.20/17,179.20 = 8,533.20/x
  3. Step 3: Cross multiply
    11,449.20x = 17,179.20 × 8,533.20
  4. Step 4: Simplify right side
    11,449.20x = 146,593,549.44
  5. Step 5: Solve for x
    x = 146,593,549.44/11,449.20
  6. Step 6: Final answer
    x = 12,803.82

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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.