Home / 10,664.54-15,964.00-6,958.79

Finding the Fourth Proportional to 10,664.54, 15,964.00 and 6,958.79

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Solution

The fourth proportional to 10,664.54, 15,964.00 and 6,958.79 is: 10,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.54 : 15,964.00 = 6,958.79 : x
  2. Step 2: Convert to fraction form
    10,664.54/15,964.00 = 6,958.79/x
  3. Step 3: Cross multiply
    10,664.54x = 15,964.00 × 6,958.79
  4. Step 4: Simplify right side
    10,664.54x = 111,090,215.15
  5. Step 5: Solve for x
    x = 111,090,215.15/10,664.54
  6. Step 6: Final answer
    x = 10,416.78

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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.