Home / 20,625.12-30,937.56-6,774

Finding the Fourth Proportional to 20,625.12, 30,937.56 and 6,774

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Solution

The fourth proportional to 20,625.12, 30,937.56 and 6,774 is: 10,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.12 : 30,937.56 = 6,774 : x
  2. Step 2: Convert to fraction form
    20,625.12/30,937.56 = 6,774/x
  3. Step 3: Cross multiply
    20,625.12x = 30,937.56 × 6,774
  4. Step 4: Simplify right side
    20,625.12x = 209,571,031.44
  5. Step 5: Solve for x
    x = 209,571,031.44/20,625.12
  6. Step 6: Final answer
    x = 10,160.96

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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.