Home / 12,844.60-17,723.24-7,179.46

Finding the Fourth Proportional to 12,844.60, 17,723.24 and 7,179.46

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Solution

The fourth proportional to 12,844.60, 17,723.24 and 7,179.46 is: 9,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.60 : 17,723.24 = 7,179.46 : x
  2. Step 2: Convert to fraction form
    12,844.60/17,723.24 = 7,179.46/x
  3. Step 3: Cross multiply
    12,844.60x = 17,723.24 × 7,179.46
  4. Step 4: Simplify right side
    12,844.60x = 127,243,239.37
  5. Step 5: Solve for x
    x = 127,243,239.37/12,844.60
  6. Step 6: Final answer
    x = 9,906.36

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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.