Home / 11,589.21-17,385.15-4,197.15

Finding the Fourth Proportional to 11,589.21, 17,385.15 and 4,197.15

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Solution

The fourth proportional to 11,589.21, 17,385.15 and 4,197.15 is: 6,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.21 : 17,385.15 = 4,197.15 : x
  2. Step 2: Convert to fraction form
    11,589.21/17,385.15 = 4,197.15/x
  3. Step 3: Cross multiply
    11,589.21x = 17,385.15 × 4,197.15
  4. Step 4: Simplify right side
    11,589.21x = 72,968,082.32
  5. Step 5: Solve for x
    x = 72,968,082.32/11,589.21
  6. Step 6: Final answer
    x = 6,296.21

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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.