Home / 20,310.98-30,469.35-6,272.15

Finding the Fourth Proportional to 20,310.98, 30,469.35 and 6,272.15

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Solution

The fourth proportional to 20,310.98, 30,469.35 and 6,272.15 is: 9,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.98 : 30,469.35 = 6,272.15 : x
  2. Step 2: Convert to fraction form
    20,310.98/30,469.35 = 6,272.15/x
  3. Step 3: Cross multiply
    20,310.98x = 30,469.35 × 6,272.15
  4. Step 4: Simplify right side
    20,310.98x = 191,108,181.26
  5. Step 5: Solve for x
    x = 191,108,181.26/20,310.98
  6. Step 6: Final answer
    x = 9,409.11

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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.