Home / 11,639.34-17,460.54-3,739.23

Finding the Fourth Proportional to 11,639.34, 17,460.54 and 3,739.23

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Solution

The fourth proportional to 11,639.34, 17,460.54 and 3,739.23 is: 5,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.34 : 17,460.54 = 3,739.23 : x
  2. Step 2: Convert to fraction form
    11,639.34/17,460.54 = 3,739.23/x
  3. Step 3: Cross multiply
    11,639.34x = 17,460.54 × 3,739.23
  4. Step 4: Simplify right side
    11,639.34x = 65,288,974.98
  5. Step 5: Solve for x
    x = 65,288,974.98/11,639.34
  6. Step 6: Final answer
    x = 5,609.34

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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.