Home / 10,664.24-15,998.63-4,090.37

Finding the Fourth Proportional to 10,664.24, 15,998.63 and 4,090.37

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Solution

The fourth proportional to 10,664.24, 15,998.63 and 4,090.37 is: 6,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.24 : 15,998.63 = 4,090.37 : x
  2. Step 2: Convert to fraction form
    10,664.24/15,998.63 = 4,090.37/x
  3. Step 3: Cross multiply
    10,664.24x = 15,998.63 × 4,090.37
  4. Step 4: Simplify right side
    10,664.24x = 65,440,215.75
  5. Step 5: Solve for x
    x = 65,440,215.75/10,664.24
  6. Step 6: Final answer
    x = 6,136.42

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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.