Home / 16,991.56-25,488.96-6,604.12

Finding the Fourth Proportional to 16,991.56, 25,488.96 and 6,604.12

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Solution

The fourth proportional to 16,991.56, 25,488.96 and 6,604.12 is: 9,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.56 : 25,488.96 = 6,604.12 : x
  2. Step 2: Convert to fraction form
    16,991.56/25,488.96 = 6,604.12/x
  3. Step 3: Cross multiply
    16,991.56x = 25,488.96 × 6,604.12
  4. Step 4: Simplify right side
    16,991.56x = 168,332,150.52
  5. Step 5: Solve for x
    x = 168,332,150.52/16,991.56
  6. Step 6: Final answer
    x = 9,906.81

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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.