Home / 10,944.12-16,419-3,153.54

Finding the Fourth Proportional to 10,944.12, 16,419 and 3,153.54

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Solution

The fourth proportional to 10,944.12, 16,419 and 3,153.54 is: 4,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.12 : 16,419 = 3,153.54 : x
  2. Step 2: Convert to fraction form
    10,944.12/16,419 = 3,153.54/x
  3. Step 3: Cross multiply
    10,944.12x = 16,419 × 3,153.54
  4. Step 4: Simplify right side
    10,944.12x = 51,777,973.26
  5. Step 5: Solve for x
    x = 51,777,973.26/10,944.12
  6. Step 6: Final answer
    x = 4,731.12

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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.