Home / 14,137.74-21,193.11-6,633.90

Finding the Fourth Proportional to 14,137.74, 21,193.11 and 6,633.90

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Solution

The fourth proportional to 14,137.74, 21,193.11 and 6,633.90 is: 9,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.74 : 21,193.11 = 6,633.90 : x
  2. Step 2: Convert to fraction form
    14,137.74/21,193.11 = 6,633.90/x
  3. Step 3: Cross multiply
    14,137.74x = 21,193.11 × 6,633.90
  4. Step 4: Simplify right side
    14,137.74x = 140,592,972.43
  5. Step 5: Solve for x
    x = 140,592,972.43/14,137.74
  6. Step 6: Final answer
    x = 9,944.52

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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.