Home / 20,234.12-30,345.24-7,084.04

Finding the Fourth Proportional to 20,234.12, 30,345.24 and 7,084.04

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Solution

The fourth proportional to 20,234.12, 30,345.24 and 7,084.04 is: 10,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.12 : 30,345.24 = 7,084.04 : x
  2. Step 2: Convert to fraction form
    20,234.12/30,345.24 = 7,084.04/x
  3. Step 3: Cross multiply
    20,234.12x = 30,345.24 × 7,084.04
  4. Step 4: Simplify right side
    20,234.12x = 214,966,893.97
  5. Step 5: Solve for x
    x = 214,966,893.97/20,234.12
  6. Step 6: Final answer
    x = 10,623.98

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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.