Home / 10,680.21-14,739.34-5,964.79

Finding the Fourth Proportional to 10,680.21, 14,739.34 and 5,964.79

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Solution

The fourth proportional to 10,680.21, 14,739.34 and 5,964.79 is: 8,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.21 : 14,739.34 = 5,964.79 : x
  2. Step 2: Convert to fraction form
    10,680.21/14,739.34 = 5,964.79/x
  3. Step 3: Cross multiply
    10,680.21x = 14,739.34 × 5,964.79
  4. Step 4: Simplify right side
    10,680.21x = 87,917,067.84
  5. Step 5: Solve for x
    x = 87,917,067.84/10,680.21
  6. Step 6: Final answer
    x = 8,231.77

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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.