Home / 20,172.05-30,258.29-6,134.36

Finding the Fourth Proportional to 20,172.05, 30,258.29 and 6,134.36

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Solution

The fourth proportional to 20,172.05, 30,258.29 and 6,134.36 is: 9,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.05 : 30,258.29 = 6,134.36 : x
  2. Step 2: Convert to fraction form
    20,172.05/30,258.29 = 6,134.36/x
  3. Step 3: Cross multiply
    20,172.05x = 30,258.29 × 6,134.36
  4. Step 4: Simplify right side
    20,172.05x = 185,615,243.84
  5. Step 5: Solve for x
    x = 185,615,243.84/20,172.05
  6. Step 6: Final answer
    x = 9,201.61

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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.