Home / 20,264.27-30,396.38-11,264.11

Finding the Fourth Proportional to 20,264.27, 30,396.38 and 11,264.11

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Solution

The fourth proportional to 20,264.27, 30,396.38 and 11,264.11 is: 16,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.27 : 30,396.38 = 11,264.11 : x
  2. Step 2: Convert to fraction form
    20,264.27/30,396.38 = 11,264.11/x
  3. Step 3: Cross multiply
    20,264.27x = 30,396.38 × 11,264.11
  4. Step 4: Simplify right side
    20,264.27x = 342,388,035.61
  5. Step 5: Solve for x
    x = 342,388,035.61/20,264.27
  6. Step 6: Final answer
    x = 16,896.15

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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.