Home / 11,589.40-17,385.18-4,195.72

Finding the Fourth Proportional to 11,589.40, 17,385.18 and 4,195.72

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Solution

The fourth proportional to 11,589.40, 17,385.18 and 4,195.72 is: 6,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.40 : 17,385.18 = 4,195.72 : x
  2. Step 2: Convert to fraction form
    11,589.40/17,385.18 = 4,195.72/x
  3. Step 3: Cross multiply
    11,589.40x = 17,385.18 × 4,195.72
  4. Step 4: Simplify right side
    11,589.40x = 72,943,347.43
  5. Step 5: Solve for x
    x = 72,943,347.43/11,589.40
  6. Step 6: Final answer
    x = 6,293.97

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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.