Home / 12,838.08-19,251.36-4,071.36

Finding the Fourth Proportional to 12,838.08, 19,251.36 and 4,071.36

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Solution

The fourth proportional to 12,838.08, 19,251.36 and 4,071.36 is: 6,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.08 : 19,251.36 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    12,838.08/19,251.36 = 4,071.36/x
  3. Step 3: Cross multiply
    12,838.08x = 19,251.36 × 4,071.36
  4. Step 4: Simplify right side
    12,838.08x = 78,379,217.05
  5. Step 5: Solve for x
    x = 78,379,217.05/12,838.08
  6. Step 6: Final answer
    x = 6,105.21

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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.