Home / 20,885.98-31,327.82-6,844.22

Finding the Fourth Proportional to 20,885.98, 31,327.82 and 6,844.22

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Solution

The fourth proportional to 20,885.98, 31,327.82 and 6,844.22 is: 10,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885.98 : 31,327.82 = 6,844.22 : x
  2. Step 2: Convert to fraction form
    20,885.98/31,327.82 = 6,844.22/x
  3. Step 3: Cross multiply
    20,885.98x = 31,327.82 × 6,844.22
  4. Step 4: Simplify right side
    20,885.98x = 214,414,492.20
  5. Step 5: Solve for x
    x = 214,414,492.20/20,885.98
  6. Step 6: Final answer
    x = 10,265.95

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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.