Home / 13,161.29-19,734.84-5,757.11

Finding the Fourth Proportional to 13,161.29, 19,734.84 and 5,757.11

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Solution

The fourth proportional to 13,161.29, 19,734.84 and 5,757.11 is: 8,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.29 : 19,734.84 = 5,757.11 : x
  2. Step 2: Convert to fraction form
    13,161.29/19,734.84 = 5,757.11/x
  3. Step 3: Cross multiply
    13,161.29x = 19,734.84 × 5,757.11
  4. Step 4: Simplify right side
    13,161.29x = 113,615,546.04
  5. Step 5: Solve for x
    x = 113,615,546.04/13,161.29
  6. Step 6: Final answer
    x = 8,632.56

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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.