Home / 13,239.92-19,863.33-4,922.34

Finding the Fourth Proportional to 13,239.92, 19,863.33 and 4,922.34

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Solution

The fourth proportional to 13,239.92, 19,863.33 and 4,922.34 is: 7,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.92 : 19,863.33 = 4,922.34 : x
  2. Step 2: Convert to fraction form
    13,239.92/19,863.33 = 4,922.34/x
  3. Step 3: Cross multiply
    13,239.92x = 19,863.33 × 4,922.34
  4. Step 4: Simplify right side
    13,239.92x = 97,773,970.85
  5. Step 5: Solve for x
    x = 97,773,970.85/13,239.92
  6. Step 6: Final answer
    x = 7,384.78

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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.