Home / 12,664.51-19,002.23-6,819.95

Finding the Fourth Proportional to 12,664.51, 19,002.23 and 6,819.95

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Solution

The fourth proportional to 12,664.51, 19,002.23 and 6,819.95 is: 10,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.51 : 19,002.23 = 6,819.95 : x
  2. Step 2: Convert to fraction form
    12,664.51/19,002.23 = 6,819.95/x
  3. Step 3: Cross multiply
    12,664.51x = 19,002.23 × 6,819.95
  4. Step 4: Simplify right side
    12,664.51x = 129,594,297.47
  5. Step 5: Solve for x
    x = 129,594,297.47/12,664.51
  6. Step 6: Final answer
    x = 10,232.87

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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.