Home / 10,754.40-16,121.64-4,184.88

Finding the Fourth Proportional to 10,754.40, 16,121.64 and 4,184.88

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Solution

The fourth proportional to 10,754.40, 16,121.64 and 4,184.88 is: 6,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.40 : 16,121.64 = 4,184.88 : x
  2. Step 2: Convert to fraction form
    10,754.40/16,121.64 = 4,184.88/x
  3. Step 3: Cross multiply
    10,754.40x = 16,121.64 × 4,184.88
  4. Step 4: Simplify right side
    10,754.40x = 67,467,128.80
  5. Step 5: Solve for x
    x = 67,467,128.80/10,754.40
  6. Step 6: Final answer
    x = 6,273.44

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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.