Home / 12,517.44-18,775.04-4,725.12

Finding the Fourth Proportional to 12,517.44, 18,775.04 and 4,725.12

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Solution

The fourth proportional to 12,517.44, 18,775.04 and 4,725.12 is: 7,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.44 : 18,775.04 = 4,725.12 : x
  2. Step 2: Convert to fraction form
    12,517.44/18,775.04 = 4,725.12/x
  3. Step 3: Cross multiply
    12,517.44x = 18,775.04 × 4,725.12
  4. Step 4: Simplify right side
    12,517.44x = 88,714,317.00
  5. Step 5: Solve for x
    x = 88,714,317.00/12,517.44
  6. Step 6: Final answer
    x = 7,087.26

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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.