Home / 12,664.25-19,002.22-6,739.65

Finding the Fourth Proportional to 12,664.25, 19,002.22 and 6,739.65

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Solution

The fourth proportional to 12,664.25, 19,002.22 and 6,739.65 is: 10,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.25 : 19,002.22 = 6,739.65 : x
  2. Step 2: Convert to fraction form
    12,664.25/19,002.22 = 6,739.65/x
  3. Step 3: Cross multiply
    12,664.25x = 19,002.22 × 6,739.65
  4. Step 4: Simplify right side
    12,664.25x = 128,068,295.17
  5. Step 5: Solve for x
    x = 128,068,295.17/12,664.25
  6. Step 6: Final answer
    x = 10,112.59

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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.