Home / 12,829-19,244.05-4,063.72

Finding the Fourth Proportional to 12,829, 19,244.05 and 4,063.72

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Solution

The fourth proportional to 12,829, 19,244.05 and 4,063.72 is: 6,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829 : 19,244.05 = 4,063.72 : x
  2. Step 2: Convert to fraction form
    12,829/19,244.05 = 4,063.72/x
  3. Step 3: Cross multiply
    12,829x = 19,244.05 × 4,063.72
  4. Step 4: Simplify right side
    12,829x = 78,202,430.87
  5. Step 5: Solve for x
    x = 78,202,430.87/12,829
  6. Step 6: Final answer
    x = 6,095.75

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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.