Home / 12,022.20-18,026.10-6,190.20

Finding the Fourth Proportional to 12,022.20, 18,026.10 and 6,190.20

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Solution

The fourth proportional to 12,022.20, 18,026.10 and 6,190.20 is: 9,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.20 : 18,026.10 = 6,190.20 : x
  2. Step 2: Convert to fraction form
    12,022.20/18,026.10 = 6,190.20/x
  3. Step 3: Cross multiply
    12,022.20x = 18,026.10 × 6,190.20
  4. Step 4: Simplify right side
    12,022.20x = 111,585,164.22
  5. Step 5: Solve for x
    x = 111,585,164.22/12,022.20
  6. Step 6: Final answer
    x = 9,281.59

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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.