Home / 11,460.45-17,179.69-7,287.54

Finding the Fourth Proportional to 11,460.45, 17,179.69 and 7,287.54

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Solution

The fourth proportional to 11,460.45, 17,179.69 and 7,287.54 is: 10,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.45 : 17,179.69 = 7,287.54 : x
  2. Step 2: Convert to fraction form
    11,460.45/17,179.69 = 7,287.54/x
  3. Step 3: Cross multiply
    11,460.45x = 17,179.69 × 7,287.54
  4. Step 4: Simplify right side
    11,460.45x = 125,197,659.84
  5. Step 5: Solve for x
    x = 125,197,659.84/11,460.45
  6. Step 6: Final answer
    x = 10,924.32

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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.