Home / 10,754.44-16,128.59-4,515.85

Finding the Fourth Proportional to 10,754.44, 16,128.59 and 4,515.85

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Solution

The fourth proportional to 10,754.44, 16,128.59 and 4,515.85 is: 6,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.44 : 16,128.59 = 4,515.85 : x
  2. Step 2: Convert to fraction form
    10,754.44/16,128.59 = 4,515.85/x
  3. Step 3: Cross multiply
    10,754.44x = 16,128.59 × 4,515.85
  4. Step 4: Simplify right side
    10,754.44x = 72,834,290.73
  5. Step 5: Solve for x
    x = 72,834,290.73/10,754.44
  6. Step 6: Final answer
    x = 6,772.49

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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.