Home / 20,171.66-30,258.30-7,025.36

Finding the Fourth Proportional to 20,171.66, 30,258.30 and 7,025.36

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Solution

The fourth proportional to 20,171.66, 30,258.30 and 7,025.36 is: 10,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.66 : 30,258.30 = 7,025.36 : x
  2. Step 2: Convert to fraction form
    20,171.66/30,258.30 = 7,025.36/x
  3. Step 3: Cross multiply
    20,171.66x = 30,258.30 × 7,025.36
  4. Step 4: Simplify right side
    20,171.66x = 212,575,450.49
  5. Step 5: Solve for x
    x = 212,575,450.49/20,171.66
  6. Step 6: Final answer
    x = 10,538.32

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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.