Home / 10,944.20-16,419-3,153.62

Finding the Fourth Proportional to 10,944.20, 16,419 and 3,153.62

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Solution

The fourth proportional to 10,944.20, 16,419 and 3,153.62 is: 4,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.20 : 16,419 = 3,153.62 : x
  2. Step 2: Convert to fraction form
    10,944.20/16,419 = 3,153.62/x
  3. Step 3: Cross multiply
    10,944.20x = 16,419 × 3,153.62
  4. Step 4: Simplify right side
    10,944.20x = 51,779,286.78
  5. Step 5: Solve for x
    x = 51,779,286.78/10,944.20
  6. Step 6: Final answer
    x = 4,731.21

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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.