Home / 11,729.70-17,594.73-3,938.58

Finding the Fourth Proportional to 11,729.70, 17,594.73 and 3,938.58

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Solution

The fourth proportional to 11,729.70, 17,594.73 and 3,938.58 is: 5,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.70 : 17,594.73 = 3,938.58 : x
  2. Step 2: Convert to fraction form
    11,729.70/17,594.73 = 3,938.58/x
  3. Step 3: Cross multiply
    11,729.70x = 17,594.73 × 3,938.58
  4. Step 4: Simplify right side
    11,729.70x = 69,298,251.68
  5. Step 5: Solve for x
    x = 69,298,251.68/11,729.70
  6. Step 6: Final answer
    x = 5,907.93

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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.