Home / 11,559.32-17,334.88-4,161.80

Finding the Fourth Proportional to 11,559.32, 17,334.88 and 4,161.80

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Solution

The fourth proportional to 11,559.32, 17,334.88 and 4,161.80 is: 6,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.32 : 17,334.88 = 4,161.80 : x
  2. Step 2: Convert to fraction form
    11,559.32/17,334.88 = 4,161.80/x
  3. Step 3: Cross multiply
    11,559.32x = 17,334.88 × 4,161.80
  4. Step 4: Simplify right side
    11,559.32x = 72,144,262.42
  5. Step 5: Solve for x
    x = 72,144,262.42/11,559.32
  6. Step 6: Final answer
    x = 6,241.22

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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.