Home / 20,660.24-30,965.76-10,796.88

Finding the Fourth Proportional to 20,660.24, 30,965.76 and 10,796.88

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Solution

The fourth proportional to 20,660.24, 30,965.76 and 10,796.88 is: 16,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660.24 : 30,965.76 = 10,796.88 : x
  2. Step 2: Convert to fraction form
    20,660.24/30,965.76 = 10,796.88/x
  3. Step 3: Cross multiply
    20,660.24x = 30,965.76 × 10,796.88
  4. Step 4: Simplify right side
    20,660.24x = 334,333,594.83
  5. Step 5: Solve for x
    x = 334,333,594.83/20,660.24
  6. Step 6: Final answer
    x = 16,182.46

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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.