Home / 10,890.28-16,335.42-2,682.28

Finding the Fourth Proportional to 10,890.28, 16,335.42 and 2,682.28

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Solution

The fourth proportional to 10,890.28, 16,335.42 and 2,682.28 is: 4,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.28 : 16,335.42 = 2,682.28 : x
  2. Step 2: Convert to fraction form
    10,890.28/16,335.42 = 2,682.28/x
  3. Step 3: Cross multiply
    10,890.28x = 16,335.42 × 2,682.28
  4. Step 4: Simplify right side
    10,890.28x = 43,816,170.36
  5. Step 5: Solve for x
    x = 43,816,170.36/10,890.28
  6. Step 6: Final answer
    x = 4,023.42

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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.