Home / 20,173.52-30,234.84-14,331.44

Finding the Fourth Proportional to 20,173.52, 30,234.84 and 14,331.44

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Solution

The fourth proportional to 20,173.52, 30,234.84 and 14,331.44 is: 21,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.52 : 30,234.84 = 14,331.44 : x
  2. Step 2: Convert to fraction form
    20,173.52/30,234.84 = 14,331.44/x
  3. Step 3: Cross multiply
    20,173.52x = 30,234.84 × 14,331.44
  4. Step 4: Simplify right side
    20,173.52x = 433,308,795.37
  5. Step 5: Solve for x
    x = 433,308,795.37/20,173.52
  6. Step 6: Final answer
    x = 21,479.09

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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.