Home / 11,944.28-16,482.38-6,638.92

Finding the Fourth Proportional to 11,944.28, 16,482.38 and 6,638.92

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Solution

The fourth proportional to 11,944.28, 16,482.38 and 6,638.92 is: 9,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.28 : 16,482.38 = 6,638.92 : x
  2. Step 2: Convert to fraction form
    11,944.28/16,482.38 = 6,638.92/x
  3. Step 3: Cross multiply
    11,944.28x = 16,482.38 × 6,638.92
  4. Step 4: Simplify right side
    11,944.28x = 109,425,202.23
  5. Step 5: Solve for x
    x = 109,425,202.23/11,944.28
  6. Step 6: Final answer
    x = 9,161.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.