Home / 14,241.21-19,649.86-8,269.79

Finding the Fourth Proportional to 14,241.21, 19,649.86 and 8,269.79

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Solution

The fourth proportional to 14,241.21, 19,649.86 and 8,269.79 is: 11,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.21 : 19,649.86 = 8,269.79 : x
  2. Step 2: Convert to fraction form
    14,241.21/19,649.86 = 8,269.79/x
  3. Step 3: Cross multiply
    14,241.21x = 19,649.86 × 8,269.79
  4. Step 4: Simplify right side
    14,241.21x = 162,500,215.73
  5. Step 5: Solve for x
    x = 162,500,215.73/14,241.21
  6. Step 6: Final answer
    x = 11,410.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.