Home / 13,301.22-19,949.06-3,939.04

Finding the Fourth Proportional to 13,301.22, 19,949.06 and 3,939.04

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Solution

The fourth proportional to 13,301.22, 19,949.06 and 3,939.04 is: 5,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.22 : 19,949.06 = 3,939.04 : x
  2. Step 2: Convert to fraction form
    13,301.22/19,949.06 = 3,939.04/x
  3. Step 3: Cross multiply
    13,301.22x = 19,949.06 × 3,939.04
  4. Step 4: Simplify right side
    13,301.22x = 78,580,145.30
  5. Step 5: Solve for x
    x = 78,580,145.30/13,301.22
  6. Step 6: Final answer
    x = 5,907.74

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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.