Home / 20,222.76-30,306.48-12,832.41

Finding the Fourth Proportional to 20,222.76, 30,306.48 and 12,832.41

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Solution

The fourth proportional to 20,222.76, 30,306.48 and 12,832.41 is: 19,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.76 : 30,306.48 = 12,832.41 : x
  2. Step 2: Convert to fraction form
    20,222.76/30,306.48 = 12,832.41/x
  3. Step 3: Cross multiply
    20,222.76x = 30,306.48 × 12,832.41
  4. Step 4: Simplify right side
    20,222.76x = 388,905,177.02
  5. Step 5: Solve for x
    x = 388,905,177.02/20,222.76
  6. Step 6: Final answer
    x = 19,231.06

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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.