Home / 11,617.43-17,418.44-4,221.01

Finding the Fourth Proportional to 11,617.43, 17,418.44 and 4,221.01

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Solution

The fourth proportional to 11,617.43, 17,418.44 and 4,221.01 is: 6,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.43 : 17,418.44 = 4,221.01 : x
  2. Step 2: Convert to fraction form
    11,617.43/17,418.44 = 4,221.01/x
  3. Step 3: Cross multiply
    11,617.43x = 17,418.44 × 4,221.01
  4. Step 4: Simplify right side
    11,617.43x = 73,523,441.75
  5. Step 5: Solve for x
    x = 73,523,441.75/11,617.43
  6. Step 6: Final answer
    x = 6,328.72

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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.