Home / 10,811.54-16,217.01-3,020.36

Finding the Fourth Proportional to 10,811.54, 16,217.01 and 3,020.36

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Solution

The fourth proportional to 10,811.54, 16,217.01 and 3,020.36 is: 4,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.54 : 16,217.01 = 3,020.36 : x
  2. Step 2: Convert to fraction form
    10,811.54/16,217.01 = 3,020.36/x
  3. Step 3: Cross multiply
    10,811.54x = 16,217.01 × 3,020.36
  4. Step 4: Simplify right side
    10,811.54x = 48,981,127.24
  5. Step 5: Solve for x
    x = 48,981,127.24/10,811.54
  6. Step 6: Final answer
    x = 4,530.45

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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.