Home / 11,591.21-17,382.45-4,193.84

Finding the Fourth Proportional to 11,591.21, 17,382.45 and 4,193.84

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Solution

The fourth proportional to 11,591.21, 17,382.45 and 4,193.84 is: 6,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.21 : 17,382.45 = 4,193.84 : x
  2. Step 2: Convert to fraction form
    11,591.21/17,382.45 = 4,193.84/x
  3. Step 3: Cross multiply
    11,591.21x = 17,382.45 × 4,193.84
  4. Step 4: Simplify right side
    11,591.21x = 72,899,214.11
  5. Step 5: Solve for x
    x = 72,899,214.11/11,591.21
  6. Step 6: Final answer
    x = 6,289.18

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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.