Home / 12,842.20-19,232.70-6,247.20

Finding the Fourth Proportional to 12,842.20, 19,232.70 and 6,247.20

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Solution

The fourth proportional to 12,842.20, 19,232.70 and 6,247.20 is: 9,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.20 : 19,232.70 = 6,247.20 : x
  2. Step 2: Convert to fraction form
    12,842.20/19,232.70 = 6,247.20/x
  3. Step 3: Cross multiply
    12,842.20x = 19,232.70 × 6,247.20
  4. Step 4: Simplify right side
    12,842.20x = 120,150,523.44
  5. Step 5: Solve for x
    x = 120,150,523.44/12,842.20
  6. Step 6: Final answer
    x = 9,355.91

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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.