Home / 11,739.54-17,609.35-2,974.45

Finding the Fourth Proportional to 11,739.54, 17,609.35 and 2,974.45

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Solution

The fourth proportional to 11,739.54, 17,609.35 and 2,974.45 is: 4,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.54 : 17,609.35 = 2,974.45 : x
  2. Step 2: Convert to fraction form
    11,739.54/17,609.35 = 2,974.45/x
  3. Step 3: Cross multiply
    11,739.54x = 17,609.35 × 2,974.45
  4. Step 4: Simplify right side
    11,739.54x = 52,378,131.11
  5. Step 5: Solve for x
    x = 52,378,131.11/11,739.54
  6. Step 6: Final answer
    x = 4,461.69

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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.