Home / 16,520.82-22,817.66-10,880.78

Finding the Fourth Proportional to 16,520.82, 22,817.66 and 10,880.78

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Solution

The fourth proportional to 16,520.82, 22,817.66 and 10,880.78 is: 15,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.82 : 22,817.66 = 10,880.78 : x
  2. Step 2: Convert to fraction form
    16,520.82/22,817.66 = 10,880.78/x
  3. Step 3: Cross multiply
    16,520.82x = 22,817.66 × 10,880.78
  4. Step 4: Simplify right side
    16,520.82x = 248,273,770.08
  5. Step 5: Solve for x
    x = 248,273,770.08/16,520.82
  6. Step 6: Final answer
    x = 15,027.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.