Home / 14,171.74-21,249.88-9,173.41

Finding the Fourth Proportional to 14,171.74, 21,249.88 and 9,173.41

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Solution

The fourth proportional to 14,171.74, 21,249.88 and 9,173.41 is: 13,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.74 : 21,249.88 = 9,173.41 : x
  2. Step 2: Convert to fraction form
    14,171.74/21,249.88 = 9,173.41/x
  3. Step 3: Cross multiply
    14,171.74x = 21,249.88 × 9,173.41
  4. Step 4: Simplify right side
    14,171.74x = 194,933,861.69
  5. Step 5: Solve for x
    x = 194,933,861.69/14,171.74
  6. Step 6: Final answer
    x = 13,755.11

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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.