Home / 21,044.36-31,561.14-6,249.26

Finding the Fourth Proportional to 21,044.36, 31,561.14 and 6,249.26

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Solution

The fourth proportional to 21,044.36, 31,561.14 and 6,249.26 is: 9,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.36 : 31,561.14 = 6,249.26 : x
  2. Step 2: Convert to fraction form
    21,044.36/31,561.14 = 6,249.26/x
  3. Step 3: Cross multiply
    21,044.36x = 31,561.14 × 6,249.26
  4. Step 4: Simplify right side
    21,044.36x = 197,233,769.76
  5. Step 5: Solve for x
    x = 197,233,769.76/21,044.36
  6. Step 6: Final answer
    x = 9,372.29

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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.