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Finding the Fourth Proportional to 10,903.75, 16,372.02 and 6,229.03

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Solution

The fourth proportional to 10,903.75, 16,372.02 and 6,229.03 is: 9,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.75 : 16,372.02 = 6,229.03 : x
  2. Step 2: Convert to fraction form
    10,903.75/16,372.02 = 6,229.03/x
  3. Step 3: Cross multiply
    10,903.75x = 16,372.02 × 6,229.03
  4. Step 4: Simplify right side
    10,903.75x = 101,981,803.74
  5. Step 5: Solve for x
    x = 101,981,803.74/10,903.75
  6. Step 6: Final answer
    x = 9,352.91

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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.