Home / 21,195.03-31,795.89-6,402.10

Finding the Fourth Proportional to 21,195.03, 31,795.89 and 6,402.10

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Solution

The fourth proportional to 21,195.03, 31,795.89 and 6,402.10 is: 9,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.03 : 31,795.89 = 6,402.10 : x
  2. Step 2: Convert to fraction form
    21,195.03/31,795.89 = 6,402.10/x
  3. Step 3: Cross multiply
    21,195.03x = 31,795.89 × 6,402.10
  4. Step 4: Simplify right side
    21,195.03x = 203,560,467.37
  5. Step 5: Solve for x
    x = 203,560,467.37/21,195.03
  6. Step 6: Final answer
    x = 9,604.16

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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.