Home / 11,278.26-16,906.23-5,344.72

Finding the Fourth Proportional to 11,278.26, 16,906.23 and 5,344.72

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Solution

The fourth proportional to 11,278.26, 16,906.23 and 5,344.72 is: 8,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.26 : 16,906.23 = 5,344.72 : x
  2. Step 2: Convert to fraction form
    11,278.26/16,906.23 = 5,344.72/x
  3. Step 3: Cross multiply
    11,278.26x = 16,906.23 × 5,344.72
  4. Step 4: Simplify right side
    11,278.26x = 90,359,065.61
  5. Step 5: Solve for x
    x = 90,359,065.61/11,278.26
  6. Step 6: Final answer
    x = 8,011.79

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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.