Home / 11,275.20-16,890.12-6,337.44

Finding the Fourth Proportional to 11,275.20, 16,890.12 and 6,337.44

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Solution

The fourth proportional to 11,275.20, 16,890.12 and 6,337.44 is: 9,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.20 : 16,890.12 = 6,337.44 : x
  2. Step 2: Convert to fraction form
    11,275.20/16,890.12 = 6,337.44/x
  3. Step 3: Cross multiply
    11,275.20x = 16,890.12 × 6,337.44
  4. Step 4: Simplify right side
    11,275.20x = 107,040,122.09
  5. Step 5: Solve for x
    x = 107,040,122.09/11,275.20
  6. Step 6: Final answer
    x = 9,493.41

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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.