Home / 10,645.99-15,971.21-3,625.45

Finding the Fourth Proportional to 10,645.99, 15,971.21 and 3,625.45

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Solution

The fourth proportional to 10,645.99, 15,971.21 and 3,625.45 is: 5,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.99 : 15,971.21 = 3,625.45 : x
  2. Step 2: Convert to fraction form
    10,645.99/15,971.21 = 3,625.45/x
  3. Step 3: Cross multiply
    10,645.99x = 15,971.21 × 3,625.45
  4. Step 4: Simplify right side
    10,645.99x = 57,902,778.83
  5. Step 5: Solve for x
    x = 57,902,778.83/10,645.99
  6. Step 6: Final answer
    x = 5,438.93

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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.