Home / 20,116.28-30,162.65-6,072.09

Finding the Fourth Proportional to 20,116.28, 30,162.65 and 6,072.09

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Solution

The fourth proportional to 20,116.28, 30,162.65 and 6,072.09 is: 9,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.28 : 30,162.65 = 6,072.09 : x
  2. Step 2: Convert to fraction form
    20,116.28/30,162.65 = 6,072.09/x
  3. Step 3: Cross multiply
    20,116.28x = 30,162.65 × 6,072.09
  4. Step 4: Simplify right side
    20,116.28x = 183,150,325.44
  5. Step 5: Solve for x
    x = 183,150,325.44/20,116.28
  6. Step 6: Final answer
    x = 9,104.58

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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.