Home / 14,112.82-21,174.90-6,327.10

Finding the Fourth Proportional to 14,112.82, 21,174.90 and 6,327.10

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Solution

The fourth proportional to 14,112.82, 21,174.90 and 6,327.10 is: 9,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.82 : 21,174.90 = 6,327.10 : x
  2. Step 2: Convert to fraction form
    14,112.82/21,174.90 = 6,327.10/x
  3. Step 3: Cross multiply
    14,112.82x = 21,174.90 × 6,327.10
  4. Step 4: Simplify right side
    14,112.82x = 133,975,709.79
  5. Step 5: Solve for x
    x = 133,975,709.79/14,112.82
  6. Step 6: Final answer
    x = 9,493.19

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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.