Home / 12,929.49-19,396.07-4,162.37

Finding the Fourth Proportional to 12,929.49, 19,396.07 and 4,162.37

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Solution

The fourth proportional to 12,929.49, 19,396.07 and 4,162.37 is: 6,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.49 : 19,396.07 = 4,162.37 : x
  2. Step 2: Convert to fraction form
    12,929.49/19,396.07 = 4,162.37/x
  3. Step 3: Cross multiply
    12,929.49x = 19,396.07 × 4,162.37
  4. Step 4: Simplify right side
    12,929.49x = 80,733,502.09
  5. Step 5: Solve for x
    x = 80,733,502.09/12,929.49
  6. Step 6: Final answer
    x = 6,244.14

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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.