Home / 20,016.90-30,044.16-10,163.25

Finding the Fourth Proportional to 20,016.90, 30,044.16 and 10,163.25

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Solution

The fourth proportional to 20,016.90, 30,044.16 and 10,163.25 is: 15,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.90 : 30,044.16 = 10,163.25 : x
  2. Step 2: Convert to fraction form
    20,016.90/30,044.16 = 10,163.25/x
  3. Step 3: Cross multiply
    20,016.90x = 30,044.16 × 10,163.25
  4. Step 4: Simplify right side
    20,016.90x = 305,346,309.12
  5. Step 5: Solve for x
    x = 305,346,309.12/20,016.90
  6. Step 6: Final answer
    x = 15,254.43

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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.