Home / 20,205.54-30,324.11-14,009.20

Finding the Fourth Proportional to 20,205.54, 30,324.11 and 14,009.20

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Solution

The fourth proportional to 20,205.54, 30,324.11 and 14,009.20 is: 21,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.54 : 30,324.11 = 14,009.20 : x
  2. Step 2: Convert to fraction form
    20,205.54/30,324.11 = 14,009.20/x
  3. Step 3: Cross multiply
    20,205.54x = 30,324.11 × 14,009.20
  4. Step 4: Simplify right side
    20,205.54x = 424,816,375.96
  5. Step 5: Solve for x
    x = 424,816,375.96/20,205.54
  6. Step 6: Final answer
    x = 21,024.75

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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.