Home / 11,928.28-17,881.30-10,944.12

Finding the Fourth Proportional to 11,928.28, 17,881.30 and 10,944.12

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Solution

The fourth proportional to 11,928.28, 17,881.30 and 10,944.12 is: 16,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.28 : 17,881.30 = 10,944.12 : x
  2. Step 2: Convert to fraction form
    11,928.28/17,881.30 = 10,944.12/x
  3. Step 3: Cross multiply
    11,928.28x = 17,881.30 × 10,944.12
  4. Step 4: Simplify right side
    11,928.28x = 195,695,092.96
  5. Step 5: Solve for x
    x = 195,695,092.96/11,928.28
  6. Step 6: Final answer
    x = 16,405.98

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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.