Home / 13,006.62-19,507.86-3,645.66

Finding the Fourth Proportional to 13,006.62, 19,507.86 and 3,645.66

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Solution

The fourth proportional to 13,006.62, 19,507.86 and 3,645.66 is: 5,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.62 : 19,507.86 = 3,645.66 : x
  2. Step 2: Convert to fraction form
    13,006.62/19,507.86 = 3,645.66/x
  3. Step 3: Cross multiply
    13,006.62x = 19,507.86 × 3,645.66
  4. Step 4: Simplify right side
    13,006.62x = 71,119,024.89
  5. Step 5: Solve for x
    x = 71,119,024.89/13,006.62
  6. Step 6: Final answer
    x = 5,467.91

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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.