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Finding the Fourth Proportional to 10,797.68, 16,199.16 and 3,403.04

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Solution

The fourth proportional to 10,797.68, 16,199.16 and 3,403.04 is: 5,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797.68 : 16,199.16 = 3,403.04 : x
  2. Step 2: Convert to fraction form
    10,797.68/16,199.16 = 3,403.04/x
  3. Step 3: Cross multiply
    10,797.68x = 16,199.16 × 3,403.04
  4. Step 4: Simplify right side
    10,797.68x = 55,126,389.45
  5. Step 5: Solve for x
    x = 55,126,389.45/10,797.68
  6. Step 6: Final answer
    x = 5,105.39

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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.