Home / 10,800.68-16,199.66-2,903.78

Finding the Fourth Proportional to 10,800.68, 16,199.66 and 2,903.78

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Solution

The fourth proportional to 10,800.68, 16,199.66 and 2,903.78 is: 4,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.68 : 16,199.66 = 2,903.78 : x
  2. Step 2: Convert to fraction form
    10,800.68/16,199.66 = 2,903.78/x
  3. Step 3: Cross multiply
    10,800.68x = 16,199.66 × 2,903.78
  4. Step 4: Simplify right side
    10,800.68x = 47,040,296.47
  5. Step 5: Solve for x
    x = 47,040,296.47/10,800.68
  6. Step 6: Final answer
    x = 4,355.31

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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.