Home / 10,903.88-16,355.82-3,112.70

Finding the Fourth Proportional to 10,903.88, 16,355.82 and 3,112.70

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Solution

The fourth proportional to 10,903.88, 16,355.82 and 3,112.70 is: 4,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.88 : 16,355.82 = 3,112.70 : x
  2. Step 2: Convert to fraction form
    10,903.88/16,355.82 = 3,112.70/x
  3. Step 3: Cross multiply
    10,903.88x = 16,355.82 × 3,112.70
  4. Step 4: Simplify right side
    10,903.88x = 50,910,690.81
  5. Step 5: Solve for x
    x = 50,910,690.81/10,903.88
  6. Step 6: Final answer
    x = 4,669.04

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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.