Home / 20,009.82-30,014.61-8,168.46

Finding the Fourth Proportional to 20,009.82, 30,014.61 and 8,168.46

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Solution

The fourth proportional to 20,009.82, 30,014.61 and 8,168.46 is: 12,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.82 : 30,014.61 = 8,168.46 : x
  2. Step 2: Convert to fraction form
    20,009.82/30,014.61 = 8,168.46/x
  3. Step 3: Cross multiply
    20,009.82x = 30,014.61 × 8,168.46
  4. Step 4: Simplify right side
    20,009.82x = 245,173,141.20
  5. Step 5: Solve for x
    x = 245,173,141.20/20,009.82
  6. Step 6: Final answer
    x = 12,252.64

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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.